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1998 Chevrolet C3500 Cheyenne 5.7L Hesitation, Misfire
Posted to GM Driveability on 3/29/2012 24 Replies

can anyone tell me where the vacumn that is applied to the fuel pressure regulator comes from or thru . this vehicle has set for 6 yrs . their is no change in fuel pressure when the engine is revved .

24 Replies Received (View Replies)

  Related Documents & Media  1998 Chevrolet C3500 Cheyenne

 
Message Closed w/Summary

car Vehicle Data

1998 Chevrolet C3500 Cheyenne

VIN 1GCHC34R5W
Engine5.7 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / central multi port fuel inject
EmissionsOBD-II Compliant
SymptomsHesitation, Misfire
OccursOn Accel
Misc.P0101 , Fuel Pressure of 55 Psi

Trouble Codes

P0101Mass Airflow Sensor Range/Performance
Message Closed w/Summary

car Vehicle Data

1998 Chevrolet C3500 Cheyenne

VIN 1GCHC34R5W
Engine5.7 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / central multi port fuel inject
EmissionsOBD-II Compliant
SymptomsHesitation, Misfire
OccursOn Accel
Misc.P0101 , Fuel Pressure of 55 Psi

Trouble Codes

P0101Mass Airflow Sensor Range/Performance