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1999 GMC Jimmy SL 4.3L Poor Idle Quality, Stall, Misfire
Posted to GM Driveability on 7/22/2006 22 Replies

Fuel pump was replaced because the pressure was low. Now have good pressure however has a misfire that will not turn on mil. When the misfire occurs it is random will get so bad that motor stalls. Will start an idle fine for a couple of minutes then starts to ...

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Message Closed w/FIX

car Vehicle Data

1999 GMC Jimmy SL

VIN 1GKDT13W7X
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Stall, Misfire
OccursAlways, Cold, Hot, Idle
Message Closed w/FIX

car Vehicle Data

1999 GMC Jimmy SL

VIN 1GKDT13W7X
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Stall, Misfire
OccursAlways, Cold, Hot, Idle