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1991 Chevrolet V3500 Silverado 7.4L Poor Idle Quality, Poor Fuel Economy
Posted to GM Driveability on 4/23/2007 13 Replies

Hi guys and girls.I bought this truck last October and have just recently put it on the road 2 weeks [...] problem is the idle speed is not constant and to [...] warm it usually stays in the desired range of 750 but as soon as you open the throttle and release...

13 Replies Received (View Replies)

  Related Documents & Media  1991 Chevrolet V3500 Silverado

 
Message Closed w/FIX

car Vehicle Data

1991 Chevrolet V3500 Silverado

VIN 1GCHV33N3M
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / TBI
EmissionsFED
SymptomsPoor Idle Quality, Poor Fuel Economy
OccursIdle
Misc.Crew Cab 4X4 Dually
Message Closed w/FIX

car Vehicle Data

1991 Chevrolet V3500 Silverado

VIN 1GCHV33N3M
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / TBI
EmissionsFED
SymptomsPoor Idle Quality, Poor Fuel Economy
OccursIdle
Misc.Crew Cab 4X4 Dually