1996 GMC Jimmy 4.3L Poor Idle Quality, Misfire, MIL Lamp on
Replaced cap,rotor,plugs and wires vehicle now will start but runs VERY BAD rechecked cap and wire routing all good engine will run but missing bad checked engine vacumme only 5inches vac not good tried disconnecting cat still no good im thinking possible plug...
FIX posted 1/2/2008
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Message Closed w/FIX
Vehicle Data1996 GMC Jimmy
Trouble Codes
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Message Closed w/FIX
Vehicle Data
1996 GMC Jimmy
VIN | 1GKDT13W8T |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0300 | Multiple Misfire Detected |