P023F Code - Fuel Pump Secondary Circuit/Open
Quick Answer
The P023F diagnostic trouble code indicates a problem with the fuel pump secondary circuit being open or not functioning properly. Common causes include Faulty fuel pump relay, Broken or loose wiring in the fuel pump circuit, Failed fuel pump. 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
- P023F indicates Fuel Pump Secondary Circuit/Open.
- Common causes
- Common causes include Faulty fuel pump relay, Broken or loose wiring in the fuel pump circuit, Failed fuel pump.
- 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 P023F Description
The P023F diagnostic trouble code indicates a problem with the fuel pump secondary circuit being open or not functioning properly. This circuit is responsible for supplying power to the fuel pump, which is essential for delivering fuel from the tank to the engine. When this circuit is open or malfunctioning, it can lead to a lack of fuel delivery, resulting in poor engine performance, reduced fuel efficiency, and potential stalling or inability to start the vehicle.
Common Causes of P023F
- Faulty fuel pump relay
- Broken or loose wiring in the fuel pump circuit
- Failed fuel pump
- Corrosion or damage to electrical connections
- Issues with the fuel pump control module
Symptoms of P023F
- Engine misfires or hesitation during acceleration
- Reduced power and performance
- Engine stalling or difficulty starting
- Check Engine Light illuminated on the dashboard
How to Fix P023F
- Begin by conducting a visual inspection of the fuel pump circuit and connections to check for any obvious signs of damage or corrosion.
- Use a multimeter to test the fuel pump relay and wiring for proper voltage and continuity.
- If the relay or wiring is faulty, replace or repair as needed.
- Test the fuel pump itself to ensure it is functioning correctly and replace if necessary.
- Clear the diagnostic trouble codes and test drive the vehicle to verify that the issue has been resolved.
Cost to Fix P023F
The cost of repairing a fuel pump secondary circuit/open issue can vary depending on the specific cause of the problem and the make and model of the vehicle. On average, you can expect to pay anywhere from $200 to $600 for parts and labor. Keep in mind that diagnostic time and labor rates at auto repair shops can vary, so it's advisable to get quotes from multiple sources before proceeding with the repair.
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Code P023F Information for Specific Makes
- P023F Chevrolet — Fuel Pump Control Circuit
- P023F Ford — Fuel Pump Secondary Circuit/Open
- P023F GMC — Fuel Pump Control Circuit
- P023F Lincoln — Fuel Pump Secondary Circuit/Open
- P023F Mercury — Fuel Pump Secondary Circuit/Open
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