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

Test 6, TFI Module


1. If tach light blinked in Test 4, proceed to Test 7.
2. If tach light did not blink proceed as follows:
a. Replace TFI module.
b. Check for spark, using procedures in Test 1.
c. If spark is not evident, replace coil.