Pinpoint Tests MB: Fuel Rail Pressure (FRP) Sensor: 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:
- harness circuits: FRP, VREF and SIGRTN
- FRP sensor (9F838)
- PCM (12A650)
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Transit Connect | A | 2 3 1 |
FRP SIGRTN VREF |
| All other vehicles | B | 2 3 1 |
FRP SIGRTN VREF |
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Transit Connect | A | 14 | FRP |
| All other vehicles | B | 73 | FRP |