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International Automotive Technicians Network
1995 GMC K1500 Sierra SL 5.7L Poor Fuel Economy
Posted to GM Driveability on 3/22/2008 25 Replies

This truck is driving me crazy. Customer reports that once the engine is up to normal operating temp, the engine pings on acceleration or light throttle increase at cruising speeds. Changed to different fuel, then different octane. Checked Knock Sensor - ok. D...

25 Replies Received (View Replies)

  Related Documents & Media  1995 GMC K1500 Sierra SL

 
Message Closed w/FIX

car Vehicle Data

1995 GMC K1500 Sierra SL

VIN 2GTEK19K0S
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / TBI
EmissionsNot OBD-II Compliant
SymptomsPoor Fuel Economy
OccursHot
Message Closed w/FIX

car Vehicle Data

1995 GMC K1500 Sierra SL

VIN 2GTEK19K0S
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / TBI
EmissionsNot OBD-II Compliant
SymptomsPoor Fuel Economy
OccursHot