Common Symptoms
- Check Engine Light illuminated
- Rough idle or engine stumbling
- Poor fuel economy
- Increased emissions or failed emissions test
- Hesitation during acceleration
- Engine may run slightly hotter than normal
Most Likely Root Causes
- Failed EGR position sensor
- Damaged or corroded wiring to EGR position sensor
- Poor electrical connection at EGR sensor connector
- Faulty EGR valve assembly
- Shorted sensor circuit to ground
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Component Location
The EGR position sensor is typically mounted on or integrated into the EGR valve assembly, located on the intake manifold near the throttle body.
Manufacturer Notes
Some manufacturers use integrated EGR valve assemblies where the position sensor cannot be replaced separately from the complete valve unit.
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