P2A59
Alternative Fuel Vaporizer B Outlet Temperature Sensor Circuit Intermittent/Erratic
P2A59 is an OBD-II diagnostic trouble code meaning: Alternative Fuel Vaporizer B Outlet Temperature Sensor Circuit Intermittent/Erratic. Common causes: evaporator temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–67.
Symptoms
- Unstable operation of the engine using alternative fuel
- Increased fuel consumption
- Check Engine Light Is On
- Reduced engine power
- Dips during acceleration
Causes
- Evaporator temperature sensor malfunction
- Open or short circuit in the sensor circuit
- Oxidation of sensor connector contacts
- Problems with the engine control unit
- Mechanical damage to wiring
How to Fix
- Check the integrity of the sensor circuit
- Clean the contacts of the sensor connector
- Check sensor resistance (compare with specifications)
- Replace evaporator temperature sensor if necessary
- Flash the control unit in case of repeated errors
Related codes
Error P2A59 by Vehicle Brand
FAQ
What does the P2A59 code mean?
P2A59 is an OBD-II diagnostic trouble code that indicates: Alternative Fuel Vaporizer B Outlet Temperature Sensor Circuit Intermittent/Erratic
What causes a P2A59 error code?
The most common causes of P2A59 include: Evaporator temperature sensor malfunction; Open or short circuit in the sensor circuit; Oxidation of sensor connector contacts; Problems with the engine control unit.
How do I fix a P2A59 diagnostic trouble code?
To fix P2A59: Check the integrity of the sensor circuit. Clean the contacts of the sensor connector. Check sensor resistance (compare with specifications). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2A59?
Yes, but get it checked soon
How much does it cost to fix P2A59?
The estimated repair cost for P2A59 is $17–67. Actual cost depends on your vehicle, location, and labor rates.
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