U066F
Lost Communication With Low Pressure Fuel System Sensor
U066F is an OBD-II diagnostic trouble code meaning: Lost Communication With Low Pressure Fuel System Sensor. Common causes: open or short circuit in the sensor circuit, low fuel pressure sensor malfunction. Estimated repair cost: $17–56.
Symptoms
- Check Engine Light Is On
- Reduced engine power
- Unstable engine idling
- Increased fuel consumption
- Difficulty starting the engine
Causes
- Open or short circuit in the sensor circuit
- Low fuel pressure sensor malfunction
- Damage to the sensor connector
- Circuit Grounding Problems
- Engine ECU malfunction
How to Fix
- Check the integrity of the wiring harness to the sensor
- Check connectors for corrosion or damage
- Test low fuel pressure sensor
- Check pressure parameters in the fuel system
- Replace sensor if necessary
Related codes
Error U066F by Vehicle Brand
FAQ
What does the U066F code mean?
U066F is an OBD-II diagnostic trouble code that indicates: Lost Communication With Low Pressure Fuel System Sensor
What causes a U066F error code?
The most common causes of U066F include: Open or short circuit in the sensor circuit; Low fuel pressure sensor malfunction; Damage to the sensor connector; Circuit Grounding Problems.
How do I fix a U066F diagnostic trouble code?
To fix U066F: Check the integrity of the wiring harness to the sensor. Check connectors for corrosion or damage. Test low fuel pressure sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U066F?
Limited driving only, diagnose soon
How much does it cost to fix U066F?
The estimated repair cost for U066F is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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