P044D

EGR Sensor C Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Unstable engine idling
Reduced engine power
Increased fuel consumption
Check Engine Light Illuminates

Causes

EGR sensor malfunction
Open or short circuit in wiring harness
Problems with sensor connectors
Engine control unit (ECU) malfunction

How to Fix

Check the EGR sensor wiring harness and connectors for damage.
Check the resistance and voltage of the EGR sensor
Replace EGR sensor if necessary
Clean or replace the EGR valve if it is dirty
Reset the error and check if it returns

Related codes

P0401 P0402 P0403 P044E