P0263 - Cylinder 1 Contribution/Balance
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P0263 - CYLINDER 1 CONTRIBUTION/BALANCE
| Description: | The powertrain control module (PCM) monitors the crankshaft speed and acceleration for each cylinder event. The DTC sets when the acceleration rate of the crankshaft is below the calibrated value. | |||
| Possible Causes: |
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| Diagnostic Aids: | Carry out the power balance test to verify cylinders contribution. Disregard any DTCs set as a result of the power balance test. Single or inconsistent non-contributing power cylinder traces may be caused by a natural variation in a crankshaft speed and should be ignored. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory | |
| All | refer to PINPOINT TEST P . | |||