Common Symptoms
- Check Engine Light illuminated
- Rough idle or engine hesitation
- Poor fuel economy
- Failed emissions test
- Reduced engine performance under load
Most Likely Root Causes
- Faulty EGR position sensor
- Damaged or corroded wiring harness to EGR valve
- Poor electrical connection at EGR sensor connector
- Carbon buildup on EGR valve affecting sensor operation
- Failed EGR valve assembly
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Component Location
The EGR valve and position sensor are typically mounted on the intake manifold or near the throttle body area on the engine.
Manufacturer Notes
Some manufacturers integrate the EGR position sensor into the valve assembly requiring complete replacement if sensor fails.
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