P2A54

Alternative Fuel Vaporizer A Outlet Temperature Sensor Circuit Intermittent/Erratic

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 Illuminates
Reduced engine power
Problems starting the engine

Causes

Open or short circuit in the sensor circuit
Malfunction of the temperature sensor itself
Poor contact in the sensor connector
Wiring harness damage
Problems with the engine control unit

How to Fix

Check the integrity of the sensor circuit
Check the connectors and contacts of the sensor
Replace temperature sensor if necessary
Check wiring harness for damage
Diagnose the engine control unit

Related codes

P2A53 P2A55 P2A56