P04FA

EGR A Control Temperature Too High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

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

Causes

Dirty or stuck EGR valve
EGR temperature sensor malfunction
Problems with wiring harness or contacts
Mechanical damage to the EGR system
ECU software error

How to Fix

Check the condition of the EGR valve and its electrical connections
Clean or replace EGR valve if necessary
Check the EGR temperature sensor and its circuit
Scan the system for other errors
If necessary, update the ECU software

Related codes

P0401 P0402 P0403 P0404