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1994 GMC C1500 Sierra SL 5.7L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire
Posted to GM Driveability on 7/29/2004 8 Replies

Everyone in shop has spent time on this one. Co-worker condemned throttle body (without aid of ocilliscope) He replaced T/B with used unit to no effect. Boss has identical truck. He swapped T/B between trucks and subject truck runs great. He replaced T/B with ...

8 Replies Received (View Replies)

  Related Documents & Media  1994 GMC C1500 Sierra SL

 
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car Vehicle Data

1994 GMC C1500 Sierra SL

VIN 1GTEC19KXR
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / TBI
EmissionsOBD I, Calif compliant
SymptomsPoor Idle Quality, Hesitation, Surge, Cuts Out, Stall, Misfire
OccursClosed Loop

Trouble Codes

44Lean Exhaust
Message Closed w/FIX

car Vehicle Data

1994 GMC C1500 Sierra SL

VIN 1GTEC19KXR
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / TBI
EmissionsOBD I, Calif compliant
SymptomsPoor Idle Quality, Hesitation, Surge, Cuts Out, Stall, Misfire
OccursClosed Loop

Trouble Codes

44Lean Exhaust