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1993 GMC Jimmy SLE 4.3L Hesitation
Posted to GM Driveability on 4/3/2003 7 Replies

Hi; This vehicle has a part throttle lean stumble if accelerated rapidly. It can be somewhat aleviated by introducing propane while it's occuring. It appears to me the ECM is calling for more fuel, but while the pressure is steady, the engine is still lean. En...

7 Replies Received (View Replies)

  Related Documents & Media  1993 GMC Jimmy SLE

 
Message Closed w/FIX

car Vehicle Data

1993 GMC Jimmy SLE

VIN 1GKCS13W2P
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / CPFI
EmissionsFEDERAL
SymptomsHesitation
OccursOn Accel

Trouble Codes

44Lean exhaust
Message Closed w/FIX

car Vehicle Data

1993 GMC Jimmy SLE

VIN 1GKCS13W2P
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / CPFI
EmissionsFEDERAL
SymptomsHesitation
OccursOn Accel

Trouble Codes

44Lean exhaust