P2AAE

Diesel Fuel Presence 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
Increased fuel consumption
Unstable engine idling
Problems starting the engine

Causes

Malfunction of the diesel fuel sensor
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Problems with the engine control unit
Corrosion of contacts or wiring

How to Fix

Check the integrity of the sensor wiring and connectors
Check the resistance and voltage at the sensor
Replace the diesel fuel sensor if necessary
Check and clean contacts in connectors
Scan the control unit for other errors

Related codes

P2AAF P2AAD P2AAC