P2A56

Alternative Fuel Vaporizer B Outlet Temperature Sensor Range/Performance

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Unstable engine operation
Increased fuel consumption
Reduced engine power
Check Engine Light Illuminates
Problems starting the engine

Causes

Evaporator temperature sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Sensor contamination
Problems with the engine control unit

How to Fix

Check the condition of the evaporator temperature sensor
Check the integrity of the sensor circuit and connectors
Clean sensor contacts
Replace temperature sensor if necessary
Check and update the engine control unit firmware

Related codes

P2A55 P2A57 P2A58