P2A46
Alternative Fuel Tank C Pressure Sensor Circuit
P2A46 is an OBD-II diagnostic trouble code meaning: Alternative Fuel Tank C Pressure Sensor Circuit. Common causes: fuel tank pressure sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Check Engine light comes on
- Problems starting the engine
- Unstable engine operation
- Reduced engine power
- Increased fuel consumption
Causes
- Fuel tank pressure sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Problems with the engine control unit
- Leak in alternative fuel system
How to Fix
- Check the integrity of the wiring to the sensor
- Check the contacts in the sensor connector
- Test the pressure sensor with a multimeter
- Replace pressure sensor if necessary
- Check the fuel system for leaks
Related codes
Error P2A46 by Vehicle Brand
FAQ
What does the P2A46 code mean?
P2A46 is an OBD-II diagnostic trouble code that indicates: Alternative Fuel Tank C Pressure Sensor Circuit
What causes a P2A46 error code?
The most common causes of P2A46 include: Fuel tank pressure sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Problems with the engine control unit.
How do I fix a P2A46 diagnostic trouble code?
To fix P2A46: Check the integrity of the wiring to the sensor. Check the contacts in the sensor connector. Test the pressure sensor with a multimeter. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2A46?
Yes, but get it checked soon
How much does it cost to fix P2A46?
The estimated repair cost for P2A46 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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