
2003 Pontiac Grand Am SE 3.4L Misfire, MIL Lamp on
I keep getting a p0300. On my scan tool it shows a constant misfire on cylinder 3 at idle. If I raise the rpm to 1500 no load and it goes away. At all times the engine runs smooth. I have swapped all ignition parts with know good parts, no change. I replaced t...
FIX posted 1/5/2012
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Message Closed w/FIX
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VIN | 1G2NF52E33 |
Engine | 3.4 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / pfi |
Emissions | OBD-II Compliant |
Symptoms | Misfire, MIL Lamp On |
Occurs | Idle |
Trouble Codes
P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
2003 Pontiac Grand Am SE
VIN | 1G2NF52E33 |
Engine | 3.4 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / pfi |
Emissions | OBD-II Compliant |
Symptoms | Misfire, MIL Lamp On |
Occurs | Idle |
Trouble Codes
P0300 | Multiple Misfire Detected |