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2009 Audi A4 Quattro, ECM/Inputs/Outputs Waveform
Posted to the Waveform Library on 11/11/2018

Taken at idle. The cam sensor is on the intake cam. The cam timing system was not disabled. It was found that the intake cam was 4 teeth retarded due to a defective tensioner.

 

car Vehicle Data

2009 Audi A4 Quattro 2.0L

Engine2.0 L / 4 cyl / GAS
Trans6-speed AutomaticTransaxle (Electronic)
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component,
ConditionKnown Bad

car Vehicle Data

2009 Audi A4 Quattro 2.0L

Engine2.0 L / 4 cyl / GAS
Trans6-speed AutomaticTransaxle (Electronic)
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component,
ConditionKnown Bad