P20DE

Exhaust Aftertreatment Fuel Pressure Sensor Circuit Range/Performance

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$33–89 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Increased fuel consumption
Problems with the exhaust gas aftertreatment system
Possible errors related to the SCR system

Causes

Fuel pressure sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Problems with the engine control unit
Sensor is dirty or damaged

How to Fix

Check the integrity of the sensor circuit
Check sensor connectors and contacts
Test the fuel pressure sensor
Replace sensor if necessary
Check and update ECU software

Related codes

P20DD P20DF P20E0