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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EGR Valve: Testing and Inspection

Diagnosis of the EGR valve is covered in Diagnostic Trouble Code (DTC) 32 chart in Computers and Control Systems / System Diagnosis / Procedures / Diagnostic Charts. DTC 32

If DTC 32 is NOT set, and the vehicle displays symptoms such as those described above, refer to CHART C-7 "EGR System Check" in Computers and Control Systems / System Diagnosis / Procedures / Diagnostic Charts. Chart C-7 Exhaust Gas Recirculation (EGR) System Check