P2AAD

Diesel Fuel Presence Sensor Circuit Range/Performance

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–111 (est.)

Symptoms

Check Engine light comes on
Reduced engine performance
Difficulty starting the engine
Incorrect operation of the fuel injection system
Possible damage to the fuel system

Causes

Malfunction of the diesel fuel sensor
Open or short circuit in the sensor circuit
Poor connection in the sensor connector
Wiring harness damage
ECU malfunction

How to Fix

Check the condition of the diesel fuel presence sensor
Check the integrity and connections in the sensor circuit
Check the wiring harness for damage
Replace the diesel fuel sensor if necessary
Check and replace ECU if necessary

Related codes

P2AAE P2AAF P2AB0