P0263 - Cylinder 1 Contribution/Balance
WARNING: This page is about a different car, the 2008 Ford Pickup, 2008 Ford F550 Super Duty, 2008 Ford F450 Super Duty, and 2008 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
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 or above 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 M . | refer to PINPOINT TEST M . | |