Lincoln Corsair Manuals

Lincoln Corsair: Fuel Charging and Controls - 2.0L EcoBoost (177kW/240PS) – MI4 / Diagnosis and Testing - High-Pressure Fuel System

Diagnostic Trouble Code (DTC) Chart

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).


Module DTC Description Action
PCM P0001:00 Fuel Volume Regulator 'A' Control Circuit/Open: No Sub Type Information GO to Pinpoint Test HP
PCM P0003:00 Fuel Volume Regulator 'A' Control Circuit Low: No Sub Type Information GO to Pinpoint Test HP
PCM P0004:00 Fuel Volume Regulator 'A' Control Circuit High: No Sub Type Information GO to Pinpoint Test HP
PCM P0087:00 Fuel Rail/System Pressure - Too Low (Bank 1): No Sub Type Information GO to Pinpoint Test HP
PCM P0088:00 Fuel Rail/System Pressure - Too High (Bank 1): No Sub Type Information GO to Pinpoint Test HP
PCM P00C6:00 Fuel Rail Pressure Too Low - Engine Cranking (Bank 1): No Sub Type Information GO to Pinpoint Test HP
PCM P053F:00 Cold Start Fuel Pressure Performance Bank 1: No Sub Type Information GO to Pinpoint Test HP

Global Customer Symptom Code (GCSC) Chart

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).


Symptom Action
Start/Run/Move > Running > Smoke From Exhaust > Black GO to Pinpoint Test HP
Driving Performance > Stalls/Quits > At Idle > Always GO to Pinpoint Test HP
Driving Performance > Poor Fuel Economy > Combined > Unloaded GO to Pinpoint Test HP

Pinpoint Tests


PINPOINT TEST HP: HIGH PRESSURE FUEL DELIVERY SYSTEM
Introduction

NOTICE: Do not apply battery voltage across the fuel injection pump circuits. Damage to the fuel volume regulator solenoid may result.

Normal Operation and Fault Conditions

Refer to the DTC Fault Trigger Conditions.

DTC Fault Trigger Conditions

DTC Description Fault Trigger Condition
PCM P0001:00 Fuel Volume Regulator 'A' Control Circuit/Open: No Sub Type Information Sets when the PCM detects high or low voltage from the fuel volume regulator (FVR) and fuel volume regulator return (FVRRTN) circuits.
PCM P0003:00 Fuel Volume Regulator 'A' Control Circuit Low: No Sub Type Information Sets when the PCM detects high or low voltage from the fuel volume regulator (FVR) and fuel volume regulator return (FVRRTN) circuits. A FVRRTN circuit short to ground may damage the solenoid coil. If P0001 is retrieved after a circuit repair, check the solenoid coil for an open circuit.
PCM P0004:00 Fuel Volume Regulator 'A' Control Circuit High: No Sub Type Information Sets when the PCM detects high or low voltage from the fuel volume regulator (FVR) and fuel volume regulator return (FVRRTN) circuits.
PCM P0087:00 Fuel Rail/System Pressure - Too Low (Bank 1): No Sub Type Information Sets when the PCM detects it is no longer capable of maintaining the fuel pressure within the calibrated parameters. The PCM regulates the fuel rail pressure by controlling the fuel volume regulator. Diagnose any FRP and FVR circuit Diagnostic Trouble Codes (DTCs) first.
PCM P0088:00 Fuel Rail/System Pressure - Too High (Bank 1): No Sub Type Information Sets when the PCM detects it is no longer capable of maintaining the fuel pressure within the calibrated parameters. The PCM regulates the fuel rail pressure by controlling the fuel volume regulator.
PCM P00C6:00 Fuel Rail Pressure Too Low - Engine Cranking (Bank 1): No Sub Type Information Sets when the PCM detects the high pressure fuel system cannot achieve the threshold within certain time and crankshaft rotation limits; the PCM attempts to start the engine at fuel pump assembly pressure. The high pressure fuel system must reach a minimum pressure threshold before the engine can be started. The high pressure fuel system must reach a minimum pressure threshold before the engine can be started. Diagnose any FRP and fuel volume regulator (FVR) circuit Diagnostic Trouble Codes (DTCs) first.
PCM P053F:00 Cold Start Fuel Pressure Performance Bank 1: No Sub Type Information Sets when the PCM detects the fuel rail pressure falls outside a calibrated threshold limit for controlling split injection during a cold start. The PCM monitors fuel rail pressure to control split injection. Diagnose any FRP and fuel volume regulator (FVR) circuit Diagnostic Trouble Codes (DTCs) first. Various engine driveability symptoms, including no start, hard start, rough idle, and backfiring may occur as a result of this DTC setting. This DTC may be accompanied by other Diagnostic Trouble Codes (DTCs), particularly P0087, P0088, or P00C6. Freeze frame data is not applicable to the cold start emission reduction monitor. For additional information, refer to the Cold Start Emission Reduction Monitor description.

Possible Sources

  • Fuel injection pump circuitry concern
  • Low fuel level
  • Fuel filter
  • FRP sensor
  • Fuel pump module
  • Fuel injection pump (9350)
  • PCM (12A650)

    Diagnosis and Testing - Fuel Control

    Diagnostic Trouble Code (DTC) Chart Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.REFER to: Diagnostic Methods (100-00 General Information, Description and Operation)...

    Removal and Installation - Fuel Injectors

    Removal and Installation The fuel injectors are removed with the fuel rail. Refer to: Fuel Rail (303-04B Fuel Charging and Controls - 2.3L EcoBoost (199kW/270PS), Removal and Installation)...

    Other information:

    Lincoln Corsair 2020-2022 Service Manual: Diagnosis and Testing - Preliminary Inspection


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    Lincoln Corsair 2020-2022 Owners Manual: Programming the Garage Door Opener to Your Hand-Held Transmitter


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    Categories

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    Note: A valid key must be located inside your vehicle to switch the ignition on and start the engine.

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