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2003 Chevrolet Trailblazer LS 4.2L Poor Idle Quality, Misfire, Poor Fuel Economy
Has a clear #2 misfire at idle (seems ok under load) Replaced original plugs 175k. No change. Checked LTFT -12% Ckecked for CAM counts seems ok I'm not positive how they normaly work this one slowly counts up then starts over (no codes) When cam sensor is disc...
Summary posted 3/20/2008
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Related Documents & Media | VIN | 1GNT13SX22 |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, Poor Fuel Economy |
| Occurs | Hot, Idle |
Trouble Codes
| P0302 | Cylinder 2 Misfire Detected |
Message Closed w/Summary
Vehicle Data
2003 Chevrolet Trailblazer LS
| VIN | 1GNT13SX22 |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, Poor Fuel Economy |
| Occurs | Hot, Idle |
Trouble Codes
| P0302 | Cylinder 2 Misfire Detected |
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