P2A4C

Alternative Fuel 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 Illuminates
Reduced engine power
Problems starting the engine

Causes

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

How to Fix

Check the integrity of the sensor circuit
Inspect the sensor connector for damage
Check sensor resistance
Replace the alternative fuel temperature sensor if necessary
Reset the error code and check if it returns

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