Ford Error Code P1237: How to Fix It

Q: What causes Ford P1237 error code?

P1237 is typically caused by a faulty fuel pump, damaged fuel pump wiring, blown fuel pump fuse, bad fuel pump relay, or a malfunctioning fuel pump driver module.

Q: Can I drive my Ford with P1237 code?

It's not recommended to drive with P1237 as it can cause engine stalling, poor performance, or complete loss of power. Have it diagnosed and repaired as soon as possible.

Q: How much does it cost to fix P1237?

Repair costs vary widely depending on the root cause. Simple fixes like replacing a fuse or relay cost $10-50, while fuel pump replacement can cost $400-800 including labor.

Q: Is P1237 the same on all Ford models?

While P1237 generally indicates fuel pump issues across Ford models, specific diagnostic procedures may vary between different years and models. Always consult your vehicle's service manual.

Q: How do I prevent P1237 from happening again?

Maintain proper fuel levels (don't run on empty frequently), replace fuel filter as recommended, and address any fuel system issues promptly to prevent damage to the fuel pump.

Abstract

Ford error code P1237 indicates a fuel pump secondary circuit malfunction, meaning there's an electrical problem with your vehicle's fuel pump system. This can cause poor engine performance, stalling, or difficulty starting your Ford vehicle.