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1999 GMC Sierra 1500 SL, FP Photo
Posted to the Waveform Library on 9/19/2003

Leaking Fuel pressure regulator causing a P0300 random misfire.

 

car Vehicle Data

1999 GMC Sierra 1500 SL 5.3L

Engine5.3 L / 8 cyl / GAS
Trans4-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemFuel Supply
Component
ConditionKnown Bad

car Vehicle Data

1999 GMC Sierra 1500 SL 5.3L

Engine5.3 L / 8 cyl / GAS
Trans4-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemFuel Supply
Component
ConditionKnown Bad