P0088 - Fuel Rail/System Pressure - Too High (Bank 1)
WARNING: This page does not describe the selected car, but rather 27 other vehicles, including the 2021 Lincoln Navigator, 2021 Lincoln Nautilus, 2021 Lincoln Corsair, 2021 Lincoln Aviator, and 2021 Ford Transit-350 HD. However, it is still accessible from the selected car via links, so may be relevant.
DTC DESCRIPTION P0088 - FUEL RAIL/SYSTEM PRESSURE - TOO HIGH (BANK 1)
| For Mustang, 5.2L | |||
| Description: | This DTC sets when the fuel rail pressure requested by the PCM is less than the fuel rail pressure delivered, by more than a calibrated threshold for greater than a calibrated length of time. | ||
| Possible Causes: |
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| Diagnostic Aids: | |||
| For All Others | |||
| Description: | The PCM regulates the fuel rail pressure by controlling the fuel volume regulator. This DTC sets when the PCM is no longer capable of maintaining the fuel pressure within the calibrated parameters. | ||
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| Diagnostic Aids: | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| Mustang 5.2L | GO to Pinpoint Test DD. | ||
| All others | GO to Pinpoint Test HP. | ||