PINPOINT TEST HP: High Pressure Fuel Delivery System: Introduction
WARNING: This page does not describe the selected car, but rather 34 other vehicles, including the 2019 Lincoln Navigator, 2019 Lincoln Nautilus, 2019 Lincoln MKZ, 2019 Lincoln MKT, and 2019 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Do not apply battery voltage across the fuel injection pump circuits. Damage to the fuel volume regulator solenoid may result.
This pinpoint test is intended to diagnose the following:
- fuel injection pump (9350)
- harness circuits: FVR and FVRRTN
- PCM (12A650)
Harness Side
| Circuit | Pin |
|---|---|
| FVR (Fuel Volume Regulator) | 2 |
| FVRRTN (Fuel Volume Regulator Return) | 1 |
Harness Side
| Circuit | Pin |
|---|---|
| FVR (Fuel Volume Regulator) | E78 |
| FVRRTN (Fuel Volume Regulator Return) | E77 |