
2012 Subaru Legacy 2.5i Premium 2.5L Poor Idle Quality, Misfire, MIL Lamp on
Vehicle came in on tow truck. Very rough idle, had to two foot it into the shop. Pulled codes, found multiple misfires on multiple cylinders. Replaced spark plugs. After replacing spark plugs, misfires went away on cylinders 3 and 4, cylinder 1 still misfiring...
FIX posted 8/18/2017
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Message Closed w/FIX
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VIN | 4S3BMCC60C |
Engine | 2.5 L / 4 cyl / GAS |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Always |
Trouble Codes
C0231 | |
P0301 | Cylinder 1 Misfire Detected |
P0303 | Cylinder 3 Misfire Detected |
P0304 | Cylinder 4 Misfire Detected |
P050A | Cold Start Idle Air Control System Performance Problem |
Message Closed w/FIX
Vehicle Data
2012 Subaru Legacy 2.5i Premium
VIN | 4S3BMCC60C |
Engine | 2.5 L / 4 cyl / GAS |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Always |
Trouble Codes
C0231 | |
P0301 | Cylinder 1 Misfire Detected |
P0303 | Cylinder 3 Misfire Detected |
P0304 | Cylinder 4 Misfire Detected |
P050A | Cold Start Idle Air Control System Performance Problem |