2000 GMC Jimmy SLE 4.3L Misfire, MIL Lamp on
we have this gmc jimmy that runs fine on idle but when you try and drive it it misfires big time till you back off the gas and then it will run fine for a while but when its doing it it has no power and misfires big time it sounds like the enging timing is ret...
Summary posted 4/1/2004
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Vehicle Data2000 GMC Jimmy SLE
Trouble Codes
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Message Closed w/Summary
Vehicle Data
2000 GMC Jimmy SLE
VIN | 1GKCS13WOY |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Misfire, MIL Lamp On |
Occurs | Under Load, Intermittently |
Trouble Codes
171 | air flow meter |
174 | air flow meter |