In detail: do-it-yourself repair of a Citroen C5 car from a real master for the site my.housecope.com.
It is generally accepted that French cars are not particularly reliable, but whether this is really so, we will now find out, because we will consider a Citroen C5 with hydropneumatic suspension.
The prices for these cars are quite low, so it will be interesting to understand how expedient the purchase of this car is.
The body of the Citroen C5 is very good, galvanized, with a high-quality paintwork, it perfectly resists rust. Over time, a red bloom may appear on chrome-plated elements after 3-4 years of operation. As for the interior, it will be able to remain in excellent condition for a long time, nothing creaks, the seats do not sit out and do not wobble.
This is the third generation of Citroen C5, it has an improved air suspension, it has become more functional, but structurally it has become simpler: there used to be mechanical body position adjusters, now instead of them there are electronic position adjusters. This means that there are fewer different hoses and pipes under the bottom of the car, now even on a bad road it will not be possible to damage a single highway.
But there are still hoses, at the joints of which a working fluid appears. In the 3rd generation of the Hydractive suspension, it is necessary to fill in an orange synthetic LDS fluid, which does not freeze even in extreme cold. True, this liquid needs to be changed every 60,000 km mileage... In the past generation, the green LHM mineral liquid was used, since it was not particularly frost-resistant.
In the previous generation, the hydraulic pump was powered by the motor and at the same time served the power steering and brakes, and in the Citroen C5 now the electrically driven hydraulic pump works only for the suspension. If you operate the car correctly, then the hydraulic pump can calmly serve about 200,000 km... Reduces the service life of the hydraulic pump by driving with a maximum ground clearance of 23 cm.If the hydraulic pump fails, this does not mean that the car will not be able to drive, it will be able to drive, but only with a ground clearance of 9 cm.This is the minimum ground clearance for the Citroen C5, if you drive with such a low ground clearance, there is a high probability of damaging the struts. To change the hydraulic pump, you have to part with about 630 euros.
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Video (click to play). |
There are times when the suspension control unit or its position sensors break down. Then the system will notify about this - a warning will appear on the on-board computer screen that the suspension is faulty. In this case, the machine itself can squat or rise, it can simply rise up the nose, but there is no feed, or vice versa. But such a case is quite rare.
In Citroen C5, the role of elastic parts and pressure accumulators is played by spheres, they are made of metal, in the form of balls, inside them nitrogen under high pressure. They are quite reliable, they usually serve about 150,000 km... Over time, nitrogen can escape through the membrane, which transfers nitrogen pressure to the oil, then the suspension will begin to "tan". In a given car, these areas can be 5 or 6, it depends on the configuration. But even if at least one sphere becomes empty, then it will be impossible to drive, because the bypass valves of the struts and other suspension parts will quickly fail from water hammer. The racks cannot be repaired, they can only be changed, each rack costs 100 euros. New original spheres will cost about 100 euros each, but if you take a non-original, you can save about 25%.
With regard to other parts in the suspension, it is advisable to pay attention to the subtle clicking and squeak of the roller bearings of the trailing arms on the rear of the suspension. Typically, they can appear through 80,000 km... If these sounds are ignored, then after about 20,000 km. these bearings, which cost only 25 euros, will break their seats, and the levers, which cost 500 euros, will have to be replaced. There are also anthers on the bearings, if you monitor their safety, then the service life of the bearings will significantly extend.
After about 60 thousand km. it's time to change the stabilizer bushings and their struts. Hubs cost 12 euros and stands 40 euros. After 80,000 km. mileage, you will have to change the steering rods together with the tips, the rods will cost 35 euros, and the tips - 40. It happens that for this run you need to change the wheel bearings for 80 euros. Further, it may be necessary to replace the silent blocks of the levers, each side will cost 45 euros. And also ball joints will need to be replaced, they cost 35 euros, as a rule, they can serve about 100,000 km. But the steering gear can serve about 200,000 km, but its replacement will cost 1000 euros.
It is also advisable to monitor the brakes: if you do not regularly clean the calipers, they will begin to sour from road dirt in about 6 years. After 80,000 km. it is necessary to change the brake discs on the front wheels, they begin to warp towards this run, the front pads must be changed every 40,000 km. Brake discs cost around 170 euros per pair. The handbrake blocks the front wheels, but it happens that the handbrake cables jam, this brings the brakes to overheating.
Even in a manual transmission, cables are also a weak link, they often have to be changed if the plastic tips jam or break. Each cable in the box costs 50 euros. It happens that up to 80 thousand km. the release bearing begins to crackle, which means that it is better to change it as soon as possible, because if it is very worn out, it can break and completely disable the clutch, as well as the crankshaft position sensor. Still in transmission after 100,000 km. the right wheel drive shaft bearing may crunch. In general, a manual transmission will last about 200 thousand km. But its weakest link is plastic parts, in the speed selection mechanism.
But with an automatic transmission on the Citroen C5, there can also be problems. Here is an AL4 gearbox from PSA Peugeot-Citroen and Renault. This is their joint development. This box does not like to be loaded while it is not warmed up. Also, this machine requires the oil level to be normal, and you can check it only by lifting the machine with a lift. There is a control plug. And already after 80,000 km mileage it is time to change the valve block, such an event will cost 450 euros, including work. 6-speed automatic ZF gearboxes are considered more reliable. They are installed on cars with 3-liter engines. Also quite reliable are Aisin boxes, which are installed to diesel engines.
There are very few diesel Citroen C5s in Russia. If 3-liter gasoline engines are reliable enough, then diesels begin to create problems for their owners after 150,000 km. thanks to Russian fuel. Injectors and high pressure fuel pumps fail.
Also, fuel pumps do not last long and on 2-liter gasoline versions with direct injection. In addition, parts for repairing them are hard to find. Also, the 1.8-liter versions are not very popular. Basically, most people buy Citroens C5 with a 2-liter engine.
These low-powered motors used to have ignition problems in the cold. But the problem was fixed - the motor control unit was reprogrammed. After 100,000 km. oxygen sensors often broke. And after 150 thousand km. the neutralizers were out of order. Also, ignition coils do not serve for a long time, and it makes sense to change the candles themselves at each MOT.
It often happens that after 80,000 km... the lower support at the motor fails, and the rear crankshaft oil seal requires replacement. Once every 70,000 km. it is advisable to clean the throttle valve and idle valve.
Do not forget about the cooling system, it happens that radiators, which cost 290 euros, leak, and the cooling fans do not cope well with road dirt. And closer to 100,000 km. the thermostat and the pump that pumps the coolant may fail. In addition, one of the causes of overheating can be a sensor that monitors the coolant level in the tank. If his mount breaks off. Also, not particularly strong and plastic fasteners for the window regulator mechanism. Especially if you lower the glass that is frozen, these fasteners can break in the place where the drive cable is fixed.
Carefully open the bonnet to avoid breaking the weak plastic hood lock lever.
To change the lamps, you must remember that the left headlight must be changed after the battery is removed, and the right headlight must be changed without seeing it, because the suspension hydraulic pump closes the view.
In addition, a rather fragile plastic is also used in the gears of the speedometer geared motor. If these gears break, the speedometer needle will start to twitch or fall. To fix this, you will have to buy a whole new dashboard for 500 euros. By the way, the arrow can lie if it moves on the axis during shaking. It often happens that the washer fluid level resistor sensor shows inaccurate data. It is better to fill in the Total branded anti-freeze liquid. If you fill in ordinary tap water, it will disable the washer pump.
And on dry it is better not to use wipers, because the windshield is quite soft and will immediately be covered with scratches. A new such glass will cost 250 euros. It can also happen that the rain sensors start to fail, after which the brushes can start working dry and spoil the windshield. And on cars produced before restyling, there were very often cases that the rear windows were changed under warranty, which simply flew apart. After restyling, the rear windows have been reinforced.
In general, do not be afraid to buy Citroen C5 in the secondary market, although it is not the most reliable car, this car does not create serious expensive problems either.
The Hydractive suspension can only begin to demand attention after 120,000 km. And the repair of this suspension is not very expensive. The best option for buying is a 2-liter engine with a manual transmission. And for those who want a machine gun, you should definitely choose modifications with a 3-liter V6 engine. Moreover, these modifications are the fastest to get cheaper.
For example, an 8-9 year old restyled version can be bought for about 500,000 rubles. It can also be considered a bargain for a station wagon, for which they ask no more than a hatchback. But the most popular Citroens C5 are versions with a 2-liter engine at the age of 8-9 years. Such cars will cost about 400,000 - 480,000 rubles. Well, the cheapest modifications are with a 1.8-liter engine, they cost about 40,000 less than 2-liter versions.
Other cars in this class cost about the same, but Citroens are distinguished by their originality against their background.
It is very comfortable to be in the cabin, because the seats are soft, the skin is pleasant, it is comfortable to sit in such a seat. It is also very pleasing that there is an electrically adjustable seat in all directions. This is very convenient especially for big people. Rear passengers will also be comfortable, because there is a flat floor, there is no central tunnel.
What is good about a 6-cylinder engine is that a car with such an engine accelerates quickly, responds well to the gas pedal.
Citroen C5 drives very confidently, it will not even skid during sharp maneuvers, the rear wheels may begin to slip, but stability will quickly recover. The feeling of a smooth and reliable car is created.
It is possible to switch the suspension to Sport mode. Then, even at high speed, the car will confidently hold the road and perfectly enter the turns. The only thing you might not like is that the steering wheel is not informative enough here.
But the car goes very smoothly, even on pits and bumps the car sways slightly, it is very pleasant to drive it even on the harsh Russian roads.
Do not forget to watch the video from the Citroen C5 2002 release - this is the newest transmission format about cars, addictive - do not come off:
Another 5 kopecks in the C5 piggy bank.
TO-130. Intermediate oil change.
Well, now, in essence, without crying Yaroslavna, if we abstract from the current huge problem:
My average mileage per year is about 40 t.km, i.e. for a girl driving is not enough. The car was chosen taking into account my very specific operation in the tail and mane.
First, about the cross-country ability: variable ground clearance is an absolutely irreplaceable thing when driving for mushrooms / berries, in a parking lot with a drive over curb stones, in overcoming snowdrifts, etc. He helped out many times and continues to help out! It's huge +++++
Greetings to all SitroVodov and drivers in general. The whole summer is behind us. There was nothing to write in the blog except for travel and the successful operation of the car. and great. It only remains to summarize:
- over the summer several times went to the village of 750 km. one road in total.
- rides for mushrooms, fishing and more.
Total for three summer months 6000 km.
And now attention: “0” rubles for repairs, etc. in the car, even the bulbs did not burn out. Over the summer, I checked the tire pressure a couple of times before the trip and refilled the residues from the spring (250 ml) of LDS fluid into the system. wrote earlier that the steering wheel is sweating a little, but so far it is cheaper to add fluid for 350 rubles every 3 months than to pour 10,000-25,000 into repair or replacement of the steering rack.
Greetings to all SitroVodov and car drivers as a whole. I continue my history of owning this miracle of French thought. For three months of ownership, emotions run in waves, then ears are full of joy, then disappointment from breakdowns, then again joy when everything seems to be done and the car does not cause trouble, one thing I can say is that for the ride comfort this is a great car, the plane is aerobatics, of course there are cars of higher quality, but their cost is appropriate, now we are talking about a car with a given price policy, and this Citroen will give odds to many cars that are more expensive.
Greetings to all SitroVodov and car drivers as a whole. Last time I wrote about a trip to the village along Russian roads, which do not exist. After this trip, all the remaining problems with the suspension came to light, which could not be appreciated in urban operation.
So, firstly, there was a knock in the front suspension when driving through irregularities, and secondly, well, the car turned out to be very rolling, it jumped straight and wentat on pits, bumps, rut.
The knock made the steering tip right. Accepted to buy and replace, which they did. The original has to wait for several days, so I took the Sasic firm (900 rubles), also France, there were no complaints.
Greetings to CitroVoda and car drivers as a whole. We continue to correct the identified sores of SmurF.
So, after the appearance of incomprehensible vibrations at speeds under tension, the dvigla when you press harder on the gas, it was decided to immediately change the torn right engine mount in the hope that the vibration on the body goes through it. At the same time, it was decided to replace the automatic transmission with oil in it to exclude the poor performance of the automatic transmission.
The support was ordered not by the original, but of Italian origin, the price is one of the most inexpensive, everything went well in terms of quality, like the norms.
Greetings to all SitroVodov and car drivers as a whole. I continue my history of owning and exploiting this miracle of French thought. Sometimes you want to beat these Frenchmen, and sometimes you want to say: "Thank you."
The hustle and bustle continues, but while the attitude is with understanding, I took a new car, if I plan to drive for a year or two, I will have to bring it to my senses for myself. The next owner after me will be lucky :-)
So, after the first diagnosis, a number of problems were identified that I described last time. Due to the fact that a trip to the village was soon to come, I decided not to delay with major ailments and promptly ordered the necessary spare parts for exist.
Greetings to all friends of SitroVodov and car drivers in general. So the time has come to make the first diagnostics of my SmurF after purchase.A month has passed, a little behind - 800 km. during this time, as a whole, I am satisfied with the car, but I already managed to get used to it, I hear all the creaks and knocks, although at first I drove, thinking that in silence, thoughts were already starting to pop up that maybe I somehow did not use the car so well and managed to blow it away for a month, I had such thoughts on every car, a habit - it's not tricky ... But the other day, I bothered to take a couple of taxi rides, I almost died from not driving, 1500 km myself.
Greetings, colleagues of SitroVoda and car drivers in general. I decided to share with you my unpleasant troubles for 2 weeks with my SmUrF.
... I took this miracle device a month ago, almost without problems and flaws, scuffs, as much as all the nonsense does not count, the car is not new, in the summer I will bring everything to mind. So, there was a small problem in that the lugs of the boot lid did not hold him, he fell under his own weight. I monitored the availability of shopping in the city, but alas. I decided to order for exist or emex, I was in no hurry with this business. there was no extra 1500-2000 after buying a car, and there were the costs of changing the oil, wipers, etc., i.e. more relevant at that time because I did not plan to use the trunk in the near future, there is no need to open it and the shock absorbers of the trunk lid will suffer a week or two.
engine gasoline EW10J4. 2 liters 136 hp box BE4R 5 speed steps suspension Hydroactive 3+. spheres 6pcs. And as in the beginning everything.
The Citroen C5 is, in a sense, an exotic car from the point of view of repair, which is why it is so reluctant to accept it.
The key broke, the car did not start, everything turned out to be absurdly simple)))) the display writes auto verrou actif (blocking.
Hello everyone! I decided to fix the driver's seat on the fawn myself.
replacement thresholds, Citroen Evasion, how is it? With your own hands, not for sale, but for yourself!
DIY repair of wipers. Peugeot Partner - Citroen Berlingo. How to do it? ☆ Repair of the front wipers.
The main function of exhaust gas recirculation is to reduce nitrogen oxide in the exhaust. engine gasoline EW10J4.
How to repair automatic transmission AL4 (DP0) for Peugeot, Renault and Citroen we will tell in this video. What is this box, its technical.
Stabilizer struts clatter? do not rush to throw it away! TODAY, 04/20/18 TRAVELED FOR 25 THOUSAND. KM PLAN.
If you have refitted your Fiat Scudo, Citroen Jumpy, Peugeot Expert bus, then it is very possible that in the joints of the staff.
The constant velocity joint (abbreviated SHRUS) ensures the transmission of torque at cornering angles.
The first start of the Peugeot-405 1.9L engine. injector after overhaul.
Below are links to videos on Citroen car repairs. Councils for buying a used car.
The Citroen C5 is, in a sense, an exotic car from the point of view of repair, which is why it is so reluctant to be accepted into services. But as we can see, there is nothing complicated in its repair. The devil is not so terrible as he is painted - everything is quite possible to do with your own hands. Good luck!
Good day everyone. Foolishly ruined the engine. I missed the oil and naturally jammed. They said that it would be cheaper to replace. I ordered it through Moscow. According to the contract, the delivery time is 2 weeks, but they have passed and there is no product. Tell me what to do if anyone has encountered this. Thank you in advance.
Terrible. A movie about how the C5 is being destroyed 🙁
well done thank you for showing everything I have the same 2004 year I will know what's what
wasser »21 Mar 2012, 14:50
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Comfortable, bright, outwardly memorable car Citroen C5 - the successor of the popular Xantia model in the nineties, until 2008, from the beginning of the production of the C5 model range (since 2001), corresponded to the design and technical "stuffing" of a traditional French classic car with a front-wheel drive layout. In 2008, there was a change.The car has become more massive, powerful, externally and internally more "strong", brutal. Even a gasoline car engine (1.8 l) will allow you to accelerate to a hundred in 13.5 seconds, and a diesel (2.7 l) has truly sporting results - 100 km per hour in 8 seconds!
How difficult are Citroen C5 engine maintenance and repairs?
There are some nuances here, but they are not related to the build quality. The main problem is the quality of fuel, especially diesel, which dramatically increases the operational load on the part of this sophisticated, aristocratic vehicle. Therefore, it is better to approach the issue with utmost attention. Diagnostics and minor repairs of the Citroen C5 engine should not be performed when the obvious operating costs (knocks, noises) can be determined by ear, but regularly, depending on the intensity of operation.
What problems requiring repair of the Citroen C5 engine arise most often?
Since it is the quality of diesel fuel that leaves much to be desired, the most problems arise with the repair of the Citroen C5 HDI diesel engine. These engines are equipped with a modern, but very sensitive Common Rail fuel system, so low quality diesel fuel can damage the injectors and the low pressure booster pump. Diagnostics of the functioning of parts, as well as cleaning the injectors should become a mandatory rule for the owners of these vehicles.
In addition to the nozzles and the pump, the pressure control valve reacts negatively to poor diesel fuel. This spare part of the Citroen C5 engine cannot be repaired, it needs to be replaced as it breaks down.
After 80 thousand kilometers, it is strongly recommended to undergo diagnostics of the condition of the damper clutch of the attachment drive pulley. This is a critical, dangerous line for a part, taking into account all the features of operation in our conditions. In order not to require a major overhaul of the Citroen C5 engine as long as possible, after the specified mileage, a qualified survey is required, and maintenance procedures must be performed.
All preventive procedures of regular maintenance and minor repairs allow you to avoid expensive repairs of the high-pressure fuel pump of the Citroen C5 engine.
After hundreds of runs, the master's questions will be caused by the serviceability of the crankshaft oil seal.
After 120 thousand, experienced mechanics will offer to change the valve seals as the phase of repairing the Citroen C5 engine necessary for this mileage. If, instead, you approach it not professionally, but in an ordinary way (adding oil), the unstable operation of the engine is ensured due to the rapid failure of the EGR valve of the exhaust gas recirculation system.
The mid-size car of the famous French company Citroen C5 has been produced since 2001. Since 2008, this car can be purchased in one of two body options - sedan or station wagon. Visiting a Citroen car service center, you can choose from several variations from the model range. So, the restyling of the second generation of the car in 2010 presented the Citroen C5 with an expanded set of options and more modern equipment in the available trim levels.
Features of the Citroen C5 model:
- increased security;
- three layers of noise insulation in the glass;
- hydropneumatic suspension Hydractive III +.
Repair Citroen C5 is required no more often than any other reliable foreign cars. According to the regulations, every 20 thousand kilometers of run it is necessary to undergo maintenance. It is also important to check the brake pads from time to time, change the oil and filters in the engine every 10-15 thousand kilometers, and also not forget about changing the brake fluid.
Some of the most common breakdowns on this model are oil leaks, brake pad problems, and loose contacts. It is important to keep an eye on the condition of the fuel and air filters as they often become clogged. Repair Citroen C5 may also be necessary as a result of a clogged fuel pump. If the driver realizes that the gearbox is failing, then it is urgent to diagnose and repair it.If the box has already failed, it will no longer be possible to repair it, you will have to change it.
The heavy front weight of the French model can crack or split the bumper when braking hard. Due to the high loads, the undercarriage is subject to wear. Therefore, it is often necessary to repair the Citroen C5 because of the suspension.
Many Citroen C5 owners also complain about the failure of the climate control system, as well as the fact that the windshield often suffers from small stones flying from under the wheels.
The on-board electronics notifies the owner of the need to replace the timing belt, oil or oil filter. Therefore, the driver can prevent some malfunctions with a timely trip to the MOT. In any case, if you comply with all the requirements for car operation, then Citroen C5 repair will be necessary only after a long period of operation.
The first signs that the car needs diagnostics are extraneous sounds when driving, for example, knocking in the suspension, oil stains, the engine began to consume too much fuel, the gears are not shifting smoothly, the steering response has worsened, the braking distance has increased, there are problems with starting the engine ...
The French Citroen C5 is an excellent family car renowned for its increased reliability and comfort. Careful operation, timely diagnostics and replacement of worn parts allow you to avoid costly repairs.
You can repair Citroen C5 in any good workshop. The car of this brand is unpretentious in maintenance and easy to operate.
One of the specializations of our stations is the high-quality repair of Citroen C5. In our car services there is a specialized tool for repairing Citroen C5. Consumables, oils and fluids are available for routine maintenance. Within a couple of hours, from the main warehouse, we will bring any spare parts for repairing Citroen C5.
Before starting the repair of Citroen C5, we will make free diagnostics suspension, engine or electrics (free diagnostics in case of repair at our service stations). We do not recommend doing DIY Citroen C5 repairs. Everyone must do their job. You need to entrust the repair of your car to those who do it every day.
Citroen C5 repair cost:
It is recommended to carry out routine maintenance and maintenance of Citroen C5 every 7-10 thousand km. mileage. This necessarily includes changing the engine oil, oil filter, air filter and cabin filter. When carrying out scheduled work, we will make free diagnostics of all vehicle components and draw up a list of recommendations.
Every 60 thousand km. mileage, we recommend changing the timing belt with rollers, and if the motor is chain, then it is better to replace the chain every 120 thousand km. It is better to replace the candles every 40 thousand kilometers on gasoline engines and 100 thousand kilometers. mileage on a diesel engine. On Citroen C5 models with adaptive throttle valve, it is recommended to clean and adapt the throttle valve every 60 thousand km.
The most famous problems and malfunctions of the Citroen C5:
- acidification of the caliper pistons with subsequent uneven wear of pads and discs;
- unsuccessful design of the fuel filter - the car jerks, stalls, troit;
- creak in the car interior due to low-quality plastic - gluing with anti-creak material;
- a problem with the box - early failure of bearings and primary shaft oil seals;
- in standard cooling radiators, leak at the junction with the side part;
- tight steering wheel - a problem with the power steering of the car - a bulkhead or replacement, according to the result of diagnostics.
The degree of wear of the Citroen C5 wheel bearing can only be determined through diagnostics.
Warranty for all repair work Citroen C5 - 6 months.
Citroen C5 books and manuals for free
Service manual Citroen C5
- Citroen C5 repair in photos
- the components and assemblies of the car are described in detail
- DIY Citroen C5 troubleshooting
- colored wiring diagrams
Citroen C5 user manual and service manual
- operation manual
- Citroen C5 service manual
- trouble-shooting
- interactive wiring diagram
- pinout of electrical connectors Citroen C5
- features of electrical equipment
- elimination of malfunctions of electrical equipment
- detailed electrical diagram
Catalog of parts and assembly units Citroen C5
- table of interchangeability of parts of cars Citroen C5
- intended for service station workers and car owners
- parts catalog
Repair manual for engine Citroen C5
- full technical specifications of the Citroen C5 engine
- design features and engine repair
- DIY Citroen C5 engine troubleshooting
- a detailed description of the processes of disassembly, troubleshooting and assembly of the engine with photographs
Repair manual gearbox transmission Citroen C5
- full technical characteristics of the checkpoint
- design and repair features of the checkpoint
- troubleshooting of the gearbox and transmission of the Citroen C5 car
- a detailed description of the processes of disassembly, troubleshooting and assembly of the Citroen C5 gearbox with photos
Citroen C5 Injector Error Codes
- description and diagram of the injector
- decoding of engine fault codes
- elimination of injector malfunctions
- pinout of injection and wiring
- tuning Citroen C5 with your own hands
- engine tuning, body tuning, suspension tuning
- multimedia tuning guide
Now let's take a look under the hood:
The plastic cover "1" hides the battery3. Cooling and hydraulic fluid reservoirs. Under the cover number "2", the second fuse box lives.
Remove the cover and see the fuse box:
To remove large connectors, you need to arm yourself with a flat screwdriver and pull the red latches forward in the direction of the car and the plugs will go up. By lifting the block, you can see the power fuses, about 3x3 centimeters in size.
This is a common problem in Peugeot and Citroens.
Description of other causes of the error
The problem is very well described on the Peugeot Russia forum by the user "icechieff" To view the images, you have to register there.
In short: The problem may be with the idle speed regulator. The throttle valve needs to be cleaned.
You can clean it yourself, for this you will need: a socket screwdriver, a Phillips screwdriver, a carburetor cleaner aerosol.
Cleaning algorithm: 1. turn off the engine; 2. use a screwdriver to unscrew the clamp that secures the air supply tube to the DZ from the side of the air filter; 3. using a screwdriver, unscrew the clamp for attaching the plastic part of the air supply to the DZ from the DZ side; 4. remove this plastic part; 5. remove the connector from the IAC, unscrew the IAC; 6.aerosol "carburetor cleaner" to clean the IAC away from the paintwork and hot parts of the engine; 7. Carefully wipe the seat on the DZ body with an aerosol or a rag soaked in "carburetor cleaner"; 8. Assemble in reverse order.
The problem may be with the ignition coil assembly. Their malfunction or oxidized contacts.
Oxygen sensors, they can be washed, there is a corresponding report from the same user and on the same resource.
The problem may be in the hydroxo compensators, they will have to be replaced.
To replace spark plugs in a 4-cylinder engine, you need to: 1. Disconnect the negative terminal from the battery 2. Remove the decorative cover from the engine 3. Disconnect the connector to the ignition coils 4. Unscrew the screws holding the coils and lift the coil block up. 5. After that, you can unscrew the candles.
You can also see removing candles with pictures on a V6 engine
This forum requires registration to view the images.
I talked about this in detail here at this link, registration is not required. In short, it is necessary to remove the skin by unscrewing the three screws on the skin. Two on the door closing handle, and one under the opening handle: 
In addition, there is also a screw at the end of the casing itself under the plug: 
Then we remove the speaker protection and unscrew the speaker itself. There are two more screws behind it, we unscrew and remove the skin.
Next, you need to remove the dust protection, unscrew the mirror, but do not remove it, it does not interfere. We remove the seals from the outside.
Now we lower the glass onto the plastic latch; it is unnecessary to screw it on. Now we are evenly assembling the sealant and twisting all the trims as they were.
If you need to remove the bumper, then do not be sad, it is quite simple to do this. The very first thing to do is to remove the covers from the headlight washer nozzles. To do this, pry off the cover and lift the nozzle up with your hands. Grasp it so as not to touch the lining and remove it. After that, smoothly release the nozzle back into the bumper. Do the same with the second nozzle.
Next, we raise the machine to the extreme upper position and use a flat screwdriver to turn the stem 90 g. which is located on the edge of the front wheel arch at the end of the bumper. Next, we pull out this rod, thereby loosening the fasteners of the bumper. From the second side, the same.
Now we open the hood and unscrew 2 screws and take out 2 rods similar to screws. They are located above the radiator and hold the radiator grill. The radiator grill is one piece with the bumper.
We carefully look to see if there are still fastening screws along the edges of the bumper at the bottom, one each on the right and left. If there is, we twist it, if not, we simply pull the bumper forward from it.
there is something about removing the bumper here and here at this link
Described by the link with the images about the rear pads The same is by this link in case the first one does not work.
Restoring broken ears of the rear calipers, this method was invented and tested by the author at the link above
