All Things Mk5 > How to Guides / Troubleshooting
Missfire is back!
jimmy-s3:
UPDATE.
Before tackling the injectors i had a compression check done on the car to make sure it wasnt a cylinder that had worn out! All cylinders tested full compression :happy2:
Cleaned the MAF sensor with some Carb cleaner and refitted once dried out, drove the car and it feels alot better. Replace the cam follower too while i was messing about with the car!
Took the car to have a vcds check and the missfire has gone!
Now its showing Evap system fault and oxygen sensor faults??
How the hell has that happened?
flyboy1976:
hi jimmy, might be talking out of my rear end but i remember somewhere i was told not to spray the MAF with carb cleaner, i went to do it on my MK4 GTi (they all had lots of issues with the MAF) and a reputable mechanic (who i trust) said not to. Not sure if this info helps?
jimmy-s3:
Ive had a couple of people saying to do it and a couple saying not to!
Thought id try it first rather then spend £110 for a new one.
It seemed to go alot better once it was cleaned tho!
flyboy1976:
i totally agree jimmy, have you got VCDS? if so clear the DTC's take her for a blast and see what comes up after :happy2:
jimmy-s3:
A Freind has! Ive has them cleared today. Will gat the check done again in a few days!
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