
2009 Chevrolet Cobalt LT 2.2L Poor Idle Quality, Misfire
I have a 09 Chevy Cobalt with a misfire at idle. Engine smooths out when you accelerate. O2 sensor will stay lean. Only cyl # 2 is missing. I checked for vacuum leaks but couldnt find any. I'm thinking maybe the plastic intake is cracked somewhere I cant get a...
FIX posted 6/30/2013
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Message Closed w/FIX
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VIN | 1G1AT58H79 |
Engine | 2.2 L / 4 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire |
Occurs | Idle |
Trouble Codes
P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
2009 Chevrolet Cobalt LT
VIN | 1G1AT58H79 |
Engine | 2.2 L / 4 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire |
Occurs | Idle |
Trouble Codes
P0300 | Multiple Misfire Detected |