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)

Or, hide this message: temporarily or permanently

Z66



NOTE: If the engine is cold, the engine may stay at base timing for a long period of time. To check if the ignition timing is working, increase the engine RPM slightly and observe the BASE Timing LED.

- Is the BASE TIMING LED on continuously?

Yes -- GO to Z170. Z170

No -- REPEAT Step Z67. Z67