
1999 GMC C1500 Suburban 5.7L Misfire
thanks in advance,, truck came to us after all the listed parts were replaced, fuel press, is in spec, short fuel trim is at 130 all the time at idle is this normal or high ,both banks, have checked for vac, leak dont find one, tried new air flow meter and map...
Summary posted 4/10/2013
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Message Closed w/Summary
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VIN | 3GKEC16R1X |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Cruise |
Trouble Codes
P0300 | Multiple Misfire Detected |
Message Closed w/Summary
Vehicle Data
1999 GMC C1500 Suburban
VIN | 3GKEC16R1X |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Cruise |
Trouble Codes
P0300 | Multiple Misfire Detected |