Exhaust Gas Recirculation: Testing and Inspection

If there are concerns with the Exhaust Gas Recirculation (EGR) system, go to Diagnostic Routines (Diagnosis by Symptom) under Powertrain Management/System Diagnosis and follow directions for the symptom that the vehicle is exhibiting. Testing and Inspection

Pinpoint testing for the EGR system is covered in Pinpoint Test HE under Computers and Control Systems/System Diagnosis. Testing and Inspection