P1291 - Injector High Side Short To GND Or VBATT - Bank 1
WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
P1291 - INJECTOR HIGH SIDE SHORT TO GND OR VBATT - BANK 1
| Description: The powertrain control module (PCM) monitors the output of the fuel injector circuits and sets a DTC when it detects the output is not within a calibrated limit. When diagnosing a fuel injector or fuel injector circuit concern, bank 1 refers to cylinder numbers 1, 4, 6 and 7. | |||
Possible Causes:
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| Diagnostic Aids: The PCM sets this DTC when it detects a current differential between the fuel injector power circuit and fuel injector ground circuit being outside a calibrated limit. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST P . | ||