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

Surges/Chuggles


1. Improper EGR valve operation.
2. Improper ignition timing.
3. Fuel filter restricted.
4. Improper fuel pressure.
5. Improper alternator output voltage.
6. Faulty spark plugs.
7. Faulty distributor cap and or rotor.
8. Faulty spark plug wires.