Question about 2002 Volkswagen Passat
The car has 1.8t and i put in new plugs and 2 coils and it still misses. The milage has dropped alot. If you drive it easy, it doesnt seem to miss, but if a little throttle is applied, it misses and then it seems to miss even at idle. It also misses then even at cruising speeds on the e-way and the car shakes! After it sits for a while, it starts and idles ok until you gass it, then the miss comes back!. I did change the plugs twice to make sure i didnt get a bad plug or 2. Any help I would love. Thanks, Dan
Im an independant mechanic with a customer who appears to have exactly the same fault as yours. I carried out a thorough service initially to cover all areas. The fault remains. His symptom is of massive over boosting from the turbo combined with very loud induction roar. The diagnostic results I ran also confirmed this. However, a new and needless to say very expensive turbo had been fitted prior to my customer purchasing the car last year and unbelievably he had been quite happy living with the extreme symptoms. As yet I am unsure if the correct type turbo had been fitted before hand and dont want to suggest a second replacement. its a very tricky fault to diagnose but Im sure the answer is out there? Fingers crossed. P.S Certain models have a unique mass air flow meter, which are prone to failure. Has yours been checked? Regards Chalky 'Boa Rebuilds' Southampton
Posted on Jan 16, 2009
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Posted on Jan 02, 2017
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