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1992 Ford Explorer XLT, Fuel Supply Waveform
Posted to the Waveform Library on 3/14/2011

Channel 1(yellow) Snap-on 100psi transducer ... 1st hump is key on next crank .. then running at around 80psi. spec is 30psi. at idle. This is a bad fuel pressure regulator.

 

car Vehicle Data

1992 Ford Explorer XLT 4.0L

Engine4.0 L / 6 cyl / GAS
Trans4-speed AutomaticTransmission
DeliveryFuel Injection
SubsystemFuel Supply
Component,
ConditionKnown Bad

car Vehicle Data

1992 Ford Explorer XLT 4.0L

Engine4.0 L / 6 cyl / GAS
Trans4-speed AutomaticTransmission
DeliveryFuel Injection
SubsystemFuel Supply
Component,
ConditionKnown Bad