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)
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Backfire
BACKFIRE - Definition: Fuel ignites in
[1][2]intake manifold or in exhaust system.
Check: ^
Spark Plugs ^
Voltage output of
ignition system using spark tester
^
Compression - Look for sticking or leaking valves
^
Valve timing
^
[1][2]Intake manifold for correct vacuum at idle.
^
Fuel pressure