Pinpoint Tests MD: Fuel Pressure Sensor And Fuel Delivery Pressure Switch: Introduction
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2022 Ford F-550 Super Duty, 2022 Ford F-450 Super Duty, 2022 Ford F-350 Super Duty, 2022 Ford F-250 Super Duty, and 2021 Ford F-550 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Regeneration may occur during normal operation. During regeneration, diagnostic procedures may display biased values. If a regeneration occurs during diagnostic procedures, allow the process to complete before continuing diagnostics.
This pinpoint test is intended to diagnose the following:
- fuel delivery pressure switch (9S599)
- fuel pressure and temperature sensor (9G756)
- harness circuits: FDPS, FLP, GND, SIGRTN and VREF
- PCM (12A650)
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| F-650/F-750 | A | 2 4 3 |
FLP SIGRTN VREF |
| F-150, F-Series Super Duty | A | 2 1 3 |
FLP SIGRTN VREF |
| Transit Connect | B | 2 3 1 |
FLPT SIGRTN VREF |
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| F-650/F-750 | A | 117 92 |
FLP FLPT |
| Transit Connect | B | 53 | FLPT |
| All other vehicles | A | 117 | FLP |