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1991 Chevrolet C1500 Silverado 5.7L Hesitation, Misfire
Posted to GM Driveability on 9/5/2011 10 Replies

This is my own truck here. It will run fine in town, but as soon as you take it on the highway, it will buck or hesitate. The MIL will soon illuminate with a code 44. While monitoring data, I noticed the Block Learn at 170-172 and the Intigrator at 160. I don'...

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  Related Documents & Media  1991 Chevrolet C1500 Silverado

 
Message Closed w/FIX

car Vehicle Data

1991 Chevrolet C1500 Silverado

VIN 2GCEC19K1M
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFuel Injection
SymptomsHesitation, Misfire
OccursCruise
Misc.Extended Cab

Trouble Codes

44Oxygen Sensor Reads Lean
Message Closed w/FIX

car Vehicle Data

1991 Chevrolet C1500 Silverado

VIN 2GCEC19K1M
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFuel Injection
SymptomsHesitation, Misfire
OccursCruise
Misc.Extended Cab

Trouble Codes

44Oxygen Sensor Reads Lean