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  1. S

    Leakage test obdeleven

    Hello I checked through obd eleven on my tfsi for leakage and got 4.0kg and leakage after and before throttle valve of -1.000. When I looked online someone else testing their car they got 0.5kg and -1.000 on before and after, I dont here any air leak but the car is lumpy low revs and have no...
  2. S

    A4 B9 spark plug issue

    Had an issue with NGK plugs in a 2.0 tfsi the car started to misfire/hesitation over 4k I assumed at the time it was bad fuel because the plugs had been changed at 35k and only done 3000 miles. Local Audi dealer found no fault codes and said the car was OK according to the mechanic after a test...