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

Lincoln Corsair 2020-2024 Service Manual / Powertrain / Engine / Fuel Charging and Controls - 2.0L EcoBoost (177kW/240PS) – MI4 / 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).

Module	DTC	Description	Action
PCM	P0087:00	Fuel Rail/System Pressure - Too Low (Bank 1): No Sub Type Information	GO to Pinpoint Test DD
PCM	P0088:00	Fuel Rail/System Pressure - Too High (Bank 1): No Sub Type Information	GO to Pinpoint Test DD
PCM	P0181:00	Fuel Temperature Sensor 'A' Circuit Range/Performance: No Sub Type Information	GO to Pinpoint Test DD
PCM	P0182:00	Fuel Temperature Sensor 'A' Circuit Low: No Sub Type Information	GO to Pinpoint Test DD
PCM	P0183:00	Fuel Temperature Sensor 'A' Circuit High: No Sub Type Information	GO to Pinpoint Test DD
PCM	P018B:00	Fuel Pressure Sensor 'B' Circuit Range/Performance: No Sub Type Information	GO to Pinpoint Test DD
PCM	P018C:00	Fuel Pressure Sensor 'B' Circuit Low: No Sub Type Information	GO to Pinpoint Test DD
PCM	P018D:00	Fuel Pressure Sensor 'B' Circuit High: No Sub Type Information	GO to Pinpoint Test DD
PCM	P0192:00	Fuel Rail Pressure Sensor Circuit Low (Bank 1): No Sub Type Information	GO to Pinpoint Test DD
PCM	P0193:00	Fuel Rail Pressure Sensor Circuit High (Bank 1): No Sub Type Information	GO to Pinpoint Test DD

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 > Starting > Hard Start/Long Crank > Always	GO to Pinpoint Test DD
Driving Performance > Poor Fuel Economy > Combined > Unloaded	GO to Pinpoint Test DD

Pinpoint Tests

PINPOINT TEST DD: FUEL PRESSURE, FUEL RAIL PRESSURE (FRP) AND FUEL RAIL PRESSURE TEMPERATURE (FRPT) SENSORS

Introduction

WARNING: Before working on or disconnecting any of the fuel tubes or fuel system components, relieve the fuel system pressure to prevent accidental spraying of fuel. Fuel in the fuel system remains under high pressure, even when the engine is not running. Failure to follow this instruction may result in serious personal injury.

WARNING: Do not smoke, carry lighted tobacco or have an open flame of any type when working on or near any fuel-related component. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in serious personal injury.

WARNING: Do not carry personal electronic devices such as cell phones, pagers or audio equipment of any type when working on or near any fuel-related component. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in serious personal injury.

WARNING: When handling fuel, always observe fuel handling precautions and be prepared in the event of fuel spillage. Spilled fuel may be ignited by hot vehicle components or other ignition sources. Failure to follow these instructions may result in serious personal injury.

WARNING: Clean all fuel residue from the engine compartment. If not removed, fuel residue may ignite when the engine is returned to operation. Failure to follow this instruction may result in serious personal injury.

WARNING: Fuel may remain pressurized in some fuel lines after the Fuel System Pressure Release procedure. Wear safety gloves and a face shield when disconnecting pressure lines to avoid skin and eye contact. Failure to follow this instruction may result in serious personal injury.

NOTE: With the engine running, the FRP PID value may be 48-70 kPa (7-10 psi) higher than a fuel pressure reading taken with a mechanical gauge.

Normal Operation and Fault Conditions

Refer to the DTC Fault Trigger Conditions.

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
PCM P0087:00	Fuel Rail/System Pressure - Too Low (Bank 1): No Sub Type Information	Sets when the PCM detects 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.
PCM P0088:00	Fuel Rail/System Pressure - Too High (Bank 1): No Sub Type Information	Sets when the PCM detects the fuel rail pressure requested by the PCM is less than the fuel rail pressure delivered, by more than a calibrated threshold for greater than a calibrated length of time.
PCM P0181:00	Fuel Temperature Sensor 'A' Circuit Range/Performance: No Sub Type Information	Sets when the PCM detects the fuel rail pressure temperature sensor is out of self-test range. Check for other PCM Diagnostic Trouble Codes (DTCs). Diagnose all other PCM Diagnostic Trouble Codes (DTCs) before continuing diagnosis. Bring the engine to normal operating temperature. Verify the engine coolant temperature is greater than 77°C (170°F) and the fuel rail temperature is greater than 10°C (50°F). Clear the PCM DTCs. Repeat the self-test.
PCM P0182:00	Fuel Temperature Sensor 'A' Circuit Low: No Sub Type Information	Sets when the PCM detects the fuel rail temperature sensor circuit is open or shorted to ground.
PCM P0183:00	Fuel Temperature Sensor 'A' Circuit High: No Sub Type Information	Sets when the PCM detects the fuel rail temperature sensor circuit is open or shorted to voltage.
PCM P018B:00	Fuel Pressure Sensor 'B' Circuit Range/Performance: No Sub Type Information	Sets when the PCM detects the voltage is outside a calibrated limit for a calibrated amount of time during testing.
PCM P018C:00	Fuel Pressure Sensor 'B' Circuit Low: No Sub Type Information	Sets when the PCM detects the fuel pressure sensor circuit is shorted to signal return or ground. A fuel pressure sensor PID value during ignition ON, engine OFF, or ignition ON, engine running, less than 0.3 volt indicates a concern is present.
PCM P018D:00	Fuel Pressure Sensor 'B' Circuit High: No Sub Type Information	Sets when the PCM detects the fuel pressure sensor circuit is open or shorted to voltage.
PCM P0192:00	Fuel Rail Pressure Sensor Circuit Low (Bank 1): No Sub Type Information	Sets when the PCM detects the FRP circuit is shorted to SIGRTN or ground. A FRP sensor PID value during ignition ON, engine OFF, or ignition ON, engine running, less than 0.3 volt indicates a concern is present.
PCM P0193:00	Fuel Rail Pressure Sensor Circuit High (Bank 1): No Sub Type Information	Sets when the PCM detects the FRP circuit is open or shorted to voltage.

Possible Sources

FRP sensor circuitry concern
Low fuel level
Fuel filter
Fuel supply line
Fuel pump module
Fuel injection pump
Low ambient temperature operation
Fuel pressure sensor (9F972)
FRP sensor (6B288)
FRP temperature sensor (9G756)
PCM (12A650)

Diagnosis and Testing - Fuel Charging

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)...

Diagnosis and Testing - High-Pressure Fuel System

Other information:

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360 Degree Camera Cameras

Locating the Rear View Camera

Lincoln Corsair. 360 Degree Camera Cameras

The rear view camera is on the tailgate.

Locating the Front View Camera