P1237 Lincoln Code - Fuel Pump Secondary Circuit Fault
Quick Answer
The P1237 diagnostic trouble code (DTC) specifically refers to a fault in the fuel pump secondary circuit in Lincoln vehicles. Common causes include Faulty fuel pump relay, Wiring issues in the fuel pump circuit, Defective fuel pump control module. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1237 Lincoln indicates Fuel Pump Secondary Circuit Fault.
- Common causes
- Common causes include Faulty fuel pump relay, Wiring issues in the fuel pump circuit, Defective fuel pump control module.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code P1237 Lincoln Description
The P1237 diagnostic trouble code (DTC) specifically refers to a fault in the fuel pump secondary circuit in Lincoln vehicles. The fuel pump is a crucial component of the vehicle's fuel delivery system, responsible for pumping fuel from the tank to the engine. In this case, the secondary circuit fault indicates an issue with the electrical system that controls the fuel pump's operation.
Common Causes of P1237 Lincoln
- Faulty fuel pump relay
- Wiring issues in the fuel pump circuit
- Defective fuel pump control module
- Poor electrical connections in the fuel pump circuit
- Fuel pump failure or malfunction
Symptoms of P1237 Lincoln
- Difficulty starting the vehicle
- Engine stalling or hesitation during acceleration
- Rough idling or uneven engine performance
- Engine misfires
- Illumination of the check engine light
How to Fix P1237 Lincoln
- Diagnose the issue by using a scan tool to retrieve the specific DTC and inspecting the fuel pump secondary circuit for any visible damage or loose connections.
- Test the fuel pump relay to ensure it is functioning correctly and replace it if necessary.
- Check the wiring in the fuel pump circuit for any signs of damage or corrosion and repair or replace as needed.
- Inspect the fuel pump control module for defects and replace if found to be faulty.
- Test the fuel pump itself to verify its operation and replace if it is not functioning properly.
Cost to Fix P1237 Lincoln
The cost of repairing a fuel pump secondary circuit fault can vary depending on the specific cause of the issue and the labor rates in your area. On average, the cost of parts for this repair can range from $100 to $500, with labor costs adding an additional $100 to $300. Overall, you can expect to pay anywhere from $200 to $800 for this repair. However, it is essential to obtain a detailed quote from a reputable auto repair shop to get an accurate estimate based on your vehicle's make and model.
Tech Notes for P1237 Lincoln
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