P2AAF
Diesel Fuel Presence Sensor Circuit High
P2AAF is an OBD-II diagnostic trouble code meaning: Diesel Fuel Presence Sensor Circuit High. Common causes: malfunction of the diesel fuel sensor, open or short circuit in the sensor circuit. Estimated repair cost: $28–89.
Symptoms
- Check Engine Light Is On
- Possible problems starting the engine
- Reduced engine power
- Increased fuel consumption
- Unstable engine operation at idle
Causes
- Malfunction of the diesel fuel sensor
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Problems with the fuel system (high pressure)
- Sensor contamination with fuel or impurities
How to Fix
- Check the condition of the sensor and its connector
- Check the integrity of the wiring to the sensor
- Measure sensor resistance
- Check the pressure in the fuel system
- If necessary, replace the diesel fuel sensor
Related codes
Error P2AAF by Vehicle Brand
FAQ
What does the P2AAF code mean?
P2AAF is an OBD-II diagnostic trouble code that indicates: Diesel Fuel Presence Sensor Circuit High
What causes a P2AAF error code?
The most common causes of P2AAF include: Malfunction of the diesel fuel sensor; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Problems with the fuel system (high pressure).
How do I fix a P2AAF diagnostic trouble code?
To fix P2AAF: Check the condition of the sensor and its connector. Check the integrity of the wiring to the sensor. Measure sensor resistance. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2AAF?
Yes, but get it checked soon
How much does it cost to fix P2AAF?
The estimated repair cost for P2AAF is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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