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2013 GMC Terrain Denali 3.6L Poor Idle Quality, Poor Idle Quality, Poor Idle Quality, Poor Idle Quality, Poor Idle Quality, Poor Idle Quality
dtc is p0300. data shows miss on #5, sometimes accompanied with #6. its a large miss, not a fish bite. new coils and plugs have been moved around. compression is 150 psi on all cylinders. leakdown is good on all cylinders. valves were carboned up, but clea...
FIX posted 2/26/2020
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Message Closed w/FIX
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9 Replies Received
9 Replies Received
Related Documents & Media | VIN | [No VIN Available] |
| Engine | 3.6 L / 6 cyl / FLEX |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Poor Idle Quality, Poor Idle Quality, Poor Idle Quality, Poor Idle Quality, Poor Idle Quality |
| Occurs | Always |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
2013 GMC Terrain Denali
| VIN | [No VIN Available] |
| Engine | 3.6 L / 6 cyl / FLEX |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Poor Idle Quality, Poor Idle Quality, Poor Idle Quality, Poor Idle Quality, Poor Idle Quality |
| Occurs | Always |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Video