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2003 Chevrolet Trailblazer North Face 4.2L Hesitation
Came in with check engine & power reduction lights on. Had codes 1280 & 1271. Ran diagnostic charts & said to replace computer. We hooked lab scope up to sensor #2 for gas pedal(signal wire) & we get a "square wave" on the line. Sensor #1 does NOT get a square...
Summary posted 5/22/2008
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Related Documents & Media | VIN | 1GNDT13S53 |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation |
| Occurs | Intermittently |
Trouble Codes
| P1271 | Accelerator Pedal Position Sensor 1-2 Correlation |
| P1280 | Accelerator Pedal Position Sensor 2 Circuit Malfunction |
Message Closed w/Summary
Vehicle Data
2003 Chevrolet Trailblazer North Face
| VIN | 1GNDT13S53 |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation |
| Occurs | Intermittently |
Trouble Codes
| P1271 | Accelerator Pedal Position Sensor 1-2 Correlation |
| P1280 | Accelerator Pedal Position Sensor 2 Circuit Malfunction |
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