The OBD code P0231 for Ford indicates a problem with the fuel pump secondary circuit.
Symptoms include the Engine Light being ON.
Causes may include a blown fuel pump fuse, open fuel pump monitor circuit, faulty fuel pump relay, or damaged ECM.
This issue is serious as it can lead to fuel delivery problems.
A possible fix is to inspect wiring harness, connectors, and related components for damage.
| Repair Importance Level | 10.0 (Out of 10) |
| Estimated Repair Time | Approximately 1.0 hour |
| Repair Difficulty Level | 10.0 (Out of 10) |
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Symptoms of the Ford p0231 OBD Code
The vehicle may experience low voltage in the fuel pump secondary circuit with fault code P0231.
- Symptoms: Engine Light ON.
- Loss of power during acceleration.
- Engine may hesitate or stumble during acceleration.
- Vehicle may stall while driving.
Causes of the Ford p0231 OBD Code
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Possible triggers for Ford P0231 include issues with the fuel pump secondary circuit voltage being low.
- P0231 can be caused by a blown Fuel Pump fuse.
- An open Fuel Pump Monitor Circuit.
- A faulty Fuel Pump Relay.
- A damaged Engine Control Module (ECM).
Fixing Ford Error Code p0231 Step By Step
Address the issue by inspecting the fuel pump secondary circuit for potential faults.
- To fix the Ford OBDII code p0231, start by reviewing the possible causes mentioned above and visually examining the corresponding wiring harness and connectors.
- Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- Test the powertrain control module (PCM) relay for proper operation.
- Inspect the wiring to the fuel pump for any damage or corrosion.
- Replace the fuel pump if necessary.
- Clear the fault codes and perform a test drive to verify the repair.
Cost Of Fixing Ford p0231 Fault Code
The repair for Ford code P0231 typically involves diagnosing and fixing issues with the fuel pump circuit.
The cost to diagnose and fix the Ford OBD code P0231 typically ranges from $75 to $150 per hour for labor rates.
With an estimated repair time of 1. 0 hour, the general cost could be around $75 to $150, depending on shop rates and the complexity of the issue.
Details of the Ford p0231 OBD Code
Fault code P0231 in Ford indicates a problem with the fuel pump secondary circuit low.
OBD code P0231 for Ford vehicles indicates a problem with the fuel pump secondary circuit low.
This code is triggered by the Engine Control Module (ECM) when it detects a low voltage condition in the fuel pump secondary circuit.
The fuel pump secondary circuit is responsible for providing power to the fuel pump to deliver fuel to the engine.
When this circuit has low voltage, it can lead to issues with fuel delivery and engine performance.
It is important to check the wiring, connectors, and fuel pump relay to diagnose and repair this issue.
Mechanic’s Tech Notes
Troubleshooting code P0231 on a Ford indicates a problem with the fuel pump secondary circuit low.
To diagnose and fix OBDII code P0231 in a Ford vehicle, start by checking the power and ground to the fuel pump module using a voltmeter.
Ensure the wiring harness and connectors are visually inspected for any damage, and check for broken, bent, or corroded pins.
Use a scan tool to monitor the fuel pump module’s operation and verify communication over the network.
If necessary, consider reprogramming the module.
Additionally, test the fuel pump relay and fuse for proper operation.
By following these steps, you can pinpoint the issue causing the P0231 code and proceed with the appropriate repairs.
FAQ
Common symptoms for OBD code P0231 in a Ford vehicle include Engine Light ON, caused by issues like a blown fuel pump fuse or faulty fuel pump relay.
OBD code P0231 in a Ford vehicle is typically caused by a blown fuel pump fuse, open fuel pump monitor circuit, faulty fuel pump relay, or damaged ECM.
Diagnose P0231 in Ford: Check for blown fuel pump fuse, open fuel pump circuit, faulty relay, or damaged ECM. Inspect wiring harness and connectors for damage.
Wrap Up
If your Ford is displaying OBD code p0231, you may experience engine stalling, lack of power, or rough idling due to a faulty fuel pump secondary circuit low.
Causes could include a defective fuel pump, damaged wiring, poor electrical connections, or a failing fuel pump relay.
To address Ford OBD code p0231, check the fuel pump relay, inspect the wiring for any damage, ensure proper electrical connections, and test the fuel pump for functionality.
Replace any faulty components found during the inspection to resolve the issue effectively.
