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

Misfire Cycle Delay Counter

Display shows counts from 0 to 255. If the misfire test is interrupted, due to the vehicle coming outside the test conditions for P0300, this display will show the number of engine cycles left before the test is re-enabled and data collection will resume.