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2003 Cadillac CTS 3.2L Misfire
Cylinder 1 misfire most of the time, plug darker than the rest. The valve cover gasket has been leaking and filled #1 hole and swelled plug boot. Suspected voltage jumping. Tested compression 175 PSI, 3 and 5 cylinder same compression and no misfire on those c...
FIX posted 2/20/2012
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Message Closed w/FIX
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21 Replies Received
21 Replies Received
Related Documents & Media | VIN | 1G6DM57N93 |
| Engine | 3.2 L / 6 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | Fuel Injection / Sequential |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire |
Trouble Codes
| P0128 | Cooling System Malfunction |
| P0300 | Multiple Misfire Detected |
| P0301 | Cylinder 1 Misfire Detected |
| P0306 | Cylinder 6 Misfire Detected |
Message Closed w/FIX
Vehicle Data
2003 Cadillac CTS
| VIN | 1G6DM57N93 |
| Engine | 3.2 L / 6 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | Fuel Injection / Sequential |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire |
Trouble Codes
| P0128 | Cooling System Malfunction |
| P0300 | Multiple Misfire Detected |
| P0301 | Cylinder 1 Misfire Detected |
| P0306 | Cylinder 6 Misfire Detected |
Video