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)
Or, hide this message:
temporarily or
permanently
KP7 - Check For Modification Decal
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Is there a modification decal attached to vehicle indicating that octane adjust shorting bar was removed? Yes -- Go to KP10.
KP10 - Check Octane Adjust Circuit For A Short to Ground No -- Replace shorting bar. Return to Diagnostic Routines to address spark knock concern.
Symptom Related Diagnostic Procedures