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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temporarily or
permanently
Cold Fast Idle Too Low (MIL Works OK, No DTCs Set)
Cold fast idle too low (MIL works OK, no DTCs set)Diagnostic Procedure: 1.
Do the ECM/PCM idle learn procedure.
ECM/PCM Idle Learn Procedure 2.
Check the
idle speed.
Testing and Inspection 3.
Clean the
throttle body.
ProceduresAlso check for:- Incorrect valve adjustment
- Fuel contamination