Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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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