P2A51

Alternative Fuel Vaporizer A 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
Check Engine light comes on
Reduced engine power
Problems starting the engine

Causes

Temperature sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Problems with the engine control unit
Mechanical damage to the evaporator

How to Fix

Check the condition of the temperature sensor
Check the integrity of the sensor circuit
Clean sensor connector contacts
Replace sensor if necessary
Check the operation of the engine control unit

Related codes

P2A52 P2A50 P2A53