P2A42
Alternative Fuel Tank B Pressure Sensor Range/Performance
P2A42 is an OBD-II diagnostic trouble code meaning: Alternative Fuel Tank B Pressure Sensor Range/Performance. Common causes: fuel tank pressure sensor b malfunction, damage to wiring or connectors. Estimated repair cost: $17–56.
Symptoms
- Unstable engine operation
- Increased fuel consumption
- Check Engine light comes on
- Problems starting the engine
- Reduced engine power
Causes
- Fuel tank pressure sensor B malfunction
- Damage to wiring or connectors
- Sensor contamination
- Problems with the ECU
- Mechanical damage to the fuel system
How to Fix
- Check fuel tank pressure sensor B
- Inspect wiring and connectors for damage
- Clean the sensor from dirt
- Replace sensor if necessary
- Check the operation of the computer
Related codes
Error P2A42 by Vehicle Brand
FAQ
What does the P2A42 code mean?
P2A42 is an OBD-II diagnostic trouble code that indicates: Alternative Fuel Tank B Pressure Sensor Range/Performance
What causes a P2A42 error code?
The most common causes of P2A42 include: Fuel tank pressure sensor B malfunction; Damage to wiring or connectors; Sensor contamination; Problems with the ECU.
How do I fix a P2A42 diagnostic trouble code?
To fix P2A42: Check fuel tank pressure sensor B. Inspect wiring and connectors for damage. Clean the sensor from dirt. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2A42?
Yes, but get it checked soon
How much does it cost to fix P2A42?
The estimated repair cost for P2A42 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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