P04E7
EGR Temperature Sensor D Circuit Low
Generic OBD-II
Common symptoms
What you'll notice
- Check and clean the EGR temperature sensor and its connectors.
- Inspect the wiring harness connected to the EGR temperature sensor for any damage or loose connections.
- Test the EGR temperature sensor using a multimeter to ensure it is functioning properly.
- Replace the EGR temperature sensor if it is found to be faulty or defective.
- Verify and test the EGR valve for proper functioning. Clean or replace it if necessary.
Common causes
Most likely first
- Faulty EGR temperature sensor or its wiring
- Clogged or blocked EGR valve
- Carbon buildup in the EGR system
- Malfunctioning EGR control solenoid or valve
- Engine coolant temperature sensor malfunction
How to diagnose & fix
Work through it in order
- Engine misfiring or rough running
- Decreased fuel efficiency
- Illuminated check engine light
- Poor acceleration or lack of power
- Increased emissions
Read & clear P04E7 yourself
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