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 Knocking
1.
Defective
ECU.
2.
Open or shorted
fuel injector circuit.
3.
Stuck
fuel injector.
4.
Defective
fuel pump main relay.
5.
Poor
fuel pump ground.
6.
Incorrect fuel line pressure.
7.
Clogged
fuel filter.
8.
Open or shorted coolant temperature sensor circuit.
9.
Defective coolant temperature sensor.
10.
Open or shorted throttle angle sensor circuit.
11.
Defective throttle angle sensor.