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

HU1 - Confirm Proper Drive Symptom to Pinpoint Test Procedure

- This pinpoint test addresses the following drive symptoms only:
- Stick, bind, grab feeling in accelerator pedal.
- Hard start/long crank.
- Slow return to idle.
- Rolling idle.
- Fast idle.
- Lack of power.

- Is the drive symptom one of the above?

YES -- GO to HU2. HU2 - Select Proper Diagnostic Symptom Routine

NO -- RETURN to Symptom Flowcharts to address other drive symptoms. Testing and Inspection