DTC P0091 - Fuel Pressure Regulator Control Circuit Low
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P0091 - FUEL PRESSURE REGULATOR CONTROL CIRCUIT LOW
| Description: | This DTC sets when the state of the output driver signal for the FPCV circuit moves outside the minimum or maximum limit for the commanded state. | ||
| Possible Causes: |
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| Diagnostic Aids: | The presence of this DTC may indicate that the vehicle is operating in derate mode and may experience a loss of power. After repair, the vehicle may still display a system warning message. Drive the vehicle until the system warning message has cleared from the instrument cluster message center. This DTC sets when there is a short to ground on the FPCV circuit. |
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| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST ME . | ||