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
Engine Backfires
1.
Stuck or shorted idle position switch contact.
2.
Loose injector connector.
3.
Defective air flow sensor.
4.
Faulty
ignition system.
5.
Defective ECU.