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
Fuel Pump Speed
Scan Tool Displays NORMAL or HIGH. Indicates the
PCM commanded state of the
fuel pump speed control PWM circuit to the fuel pump control module. The fuel pump will be run at high speed to deliver more fuel volume when the MAP sensor indicates high engine load or when system voltage is less than
10 volts.