Operation CHARM: Car repair manuals for everyone.
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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Display Group 038





Current data on combustion misfiring recognition)

NOTE:
- If the malfunctions "Combustion misfiring recognized" and "CYL.X Combustion misfiring recognized"are stored in DTC memory, display groups 031, 037, 038 and 039 are used to carry out a selective diagnosis.
- Using display group 038, after a repair you can drive again in the load and engine speed range that was displayed in display group 031 as the combustion misfiring range and evaluated again.




Note on display field 4:
- Value "0" = Cylinder without combustion misfiring
- Value "1" = Cylinder with combustion misfiring