My peugeot 206cc is running a bit funny like is missing a bit but not like it was when i had a coil pack fitted do i need to change the plugs and when its idiling its like running bit high then goes down again its weird some days feels like it could cut out.

Very possible that it is coil pac also could be injector on 3 have it checked will cause problem with over fueling & reving

oil change wont be the cause of the fault

missing could be
a plug , loose plug wire or coil pack
or the DFI below the coil pack


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There is a chip in the key fob, might need reprogramming by Peugeot! Try your spare key.

Hi,some times the simplest things are over looked,you might have already done this,have you changed the air filter as if it is dirty it will run badly,and after running the car after 15mins take 1 of the sparkplugs out and have a look at the coluor as this can also give some indication fuel mixture,it should be a biskety coulor if its running right.all the best.

was it running this way before you changed the plugs? just a shot in the dark here possibly a defective spark plug, rare but not impossible. if it was running fine before changing them. Other wise I would take it to autozone and pull codes if it is P0350 #5 misfire we would use the process fuel, fire and compression. is there any engine coolant around any cylinders? Have you checked the coil packs? could be a bad coil pack. if no evidence of fluid around them proceeded to check for spark, fuel then compression. post back results or new post with more deductions. iis it no spark no fuel or bad compression.

Common fault on the 206 you need to replace number 1 injector (the one at the timing belt end) what happens is water leaks in to it through the washer jet and gets in to the injector housing it to missfire. The injectors are available and do not need coding in.

Let me know if this helps
Cheers

you can use the auto diagnostic tool check your car,
i think lexia 3 suit for your peugeot.

hi ive a peugeot 206cc 02 reg, the STOP light keeps flashing ive checked the normal oil and water but alls ok so whats the problem still runs fine and temp stays where it should??? any tips??

As far as I know all the 206 mount the same internal mirror.

If instead you are talking about the driverside mirror, there that may be differences.

A good way to find out is going to a local Peugeot car parts dealer and asking their opinion.

If it is a 1.8 turbo the plugs are under the coil packs on top of the engine. A regular spark plug wrench will fit them. They are down in the block about six inches. They are easy to change. I changed them in about 30 min. The coil packs are held on by 2 torx screws.