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1991 BMW 535i, Ignition - Secondary, Vacuum/Pressure/Flow Waveform
Posted to the Waveform Library on 8/28/2007

crossfire on cylinder #3 , which has caused a long line misfire. i have overlayed a running compression waveform on top of the 2ndary spark and FLSe pressure transducer waveform.

so you can clearly see that the exhaust pulse of the long line misfire lines up...

 

car Vehicle Data

1991 BMW 535i 3.4L

Engine3.4 L / 6 cyl / GAS
Trans4-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemEngine/Propulsion
Component,
ConditionKnown Bad

car Vehicle Data

1991 BMW 535i 3.4L

Engine3.4 L / 6 cyl / GAS
Trans4-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemEngine/Propulsion
Component,
ConditionKnown Bad