P2A57

Alternative Fuel Vaporizer B Outlet Temperature Sensor Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Unstable engine operation
Increased fuel consumption
Problems starting the engine

Causes

Evaporator temperature sensor B fault
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Problems with the engine control unit
Malfunction of the alternative fuel evaporator itself

How to Fix

Check the continuity of the temperature sensor circuit
Check the connections and contacts of the sensor connector
Test evaporator temperature sensor B
Replace temperature sensor if necessary
Check the operation of the alternative fuel evaporator

Related codes

P2A56 P2A58 P2A59