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
FG9 - Remove Oct Adj Shorting Bar
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Remove OCT ADJ shorting bar only if there is a TSB authorization.
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Drive vehicle to verify spark knock.
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Is spark knock present? YES -- Go to
FG10. FG10 - Check Octane Adjust Circuit For A Short to Ground NO -- Testing complete. EEC system OK.