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 logical successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la
Backfire
DEFINITION: Fuel ignites in intake manifold or in exhaust system.
Check:
^
Spark plugs ^
Compression - Check for sticking or leaking valves
^
Valve timing
^
Intake manifold for correct vacuum at idle