× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
1994 BMW 740iL, Ignition - Primary Waveform
Posted to the Waveform Library on 9/14/2003

during WOT snap - fireing order is 1-5-4-8-6-3-7-2 look at the long period of time after the beginning of #7 primary to the beginning of #2, 9.6ms ,relative to the length of the others 7.0ms , indicateing misfire on #7 OR , #4 knock sensor retarding timeing du...

 

car Vehicle Data

1994 BMW 740iL 4.0L

Engine4.0 L / 8 cyl / GAS
Trans5-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemIgnition
Component
ConditionKnown Bad

References

SNAPON: Vantage

car Vehicle Data

1994 BMW 740iL 4.0L

Engine4.0 L / 8 cyl / GAS
Trans5-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemIgnition
Component
ConditionKnown Bad

References

SNAPON: Vantage