DTC P1291: Injector High Side Short To GND Or VBATT (Bank 1)
WARNING: This page is about a different car, the 2013 Ford F-550 Super Duty, 2013 Ford F-450 Super Duty, 2013 Ford F-350 Super Duty, and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
DTC P1291: INJECTOR HIGH SIDE SHORT TO GND OR VBATT (BANK 1)
| Description: | This DTC sets when a current differential between the fuel injector power circuit and fuel injector ground circuit is outside 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: | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST P . | ||