
1998 GMC K1500 Sierra SLE 5.7L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on, sometimes har start
Hey everyone, thanks for the help ahead of time, this is my dads truck and its kicking our as*es! This problem is very intermittent, but happens 2 or so times a week. I will try and explain as best as i can. Vehicle initially came in with P0305, i found origin...
Summary posted 5/3/2013
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Message Closed w/Summary
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VIN | 3GKFK16R7W |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / spyder poppets |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on, Sometimes Har Start |
Occurs | Intermittently |
Trouble Codes
P0300 | Multiple Misfire Detected |
P0305 | Cylinder 5 Misfire Detected |
Message Closed w/Summary
Vehicle Data
1998 GMC K1500 Sierra SLE
VIN | 3GKFK16R7W |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / spyder poppets |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on, Sometimes Har Start |
Occurs | Intermittently |
Trouble Codes
P0300 | Multiple Misfire Detected |
P0305 | Cylinder 5 Misfire Detected |