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1999 Chevrolet Express 3500 7.4L Poor Idle Quality
Posted to GM Driveability on 5/14/2008 7 Replies

Car Ilde drops down to 300 rpm runs rough and feels like misfires, give it gas and doesnt want to go anywhere checked fuel filter and was very dirty replaced then was told it could be fuel pump psi was at 45 to 47psi replaced fuel pump check crank sensor and m...

7 Replies Received (View Replies)

  Related Documents & Media  1999 Chevrolet Express 3500

 
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car Vehicle Data

1999 Chevrolet Express 3500

VIN 1GBHG35JXX
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursAlways
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Express 3500

VIN 1GBHG35JXX
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursAlways