P04E5
EGR Temperature Sensor D Circuit
Generic OBD-II
Common symptoms
What you'll notice
- Check the wiring and connections of the EGR temperature sensor
- Clean the EGR valve and the EGR passage
- Replace the EGR temperature sensor
- Check and clean the exhaust gas recirculation (EGR) system
- Inspect and potentially replace the EGR control module or PCM (Powertrain Control Module)
Common causes
Most likely first
- Faulty EGR temperature sensor
- Dirty or clogged EGR valve
- Damaged wiring or connectors related to the EGR temperature sensor
- ECM (engine control module) software issue
- Exhaust system leaks or restrictions
How to diagnose & fix
Work through it in order
- Engine hesitation or stalling
- Reduced fuel efficiency
- Check engine light illuminated
- Rough idle or misfires
- Increased emissions
Read & clear P04E5 yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.