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1994 Chevrolet S10, Fuel Supply waveform
Posted to the Waveform Library on 8/28/2008

This is a spike and NOT a tool marker. Engine runs great - I took these recordings as a learning experiment and question what this spike is. It happens every few seconds with all leads clear.

 

car Vehicle Data

1994 Chevrolet S10 2.2L

Engine2.2 L / 4 cyl / GAS
Trans4-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemFuel Supply
Component
ConditionKnown Good

car Vehicle Data

1994 Chevrolet S10 2.2L

Engine2.2 L / 4 cyl / GAS
Trans4-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemFuel Supply
Component
ConditionKnown Good