DTC P0087 - Fuel Rail/System Pressure - Too Low (Bank 1)
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2018 Lincoln Navigator, 2018 Lincoln MKZ, 2018 Lincoln MKX, 2018 Lincoln MKT, and 2018 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.
P0087 - FUEL RAIL/SYSTEM PRESSURE - TOO LOW (BANK 1)
| For Mustang, 5.2L | |||
| Description: | This DTC sets when the fuel rail pressure requested by the PCM is greater 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. | ||
| Possible Causes: |
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| Diagnostic Aids: | Diagnose any FRP and FVR circuit DTCs first. | ||
| 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 . | ||