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)

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CIS


CIS System:
1. Connect appropriate fuel pressure gauge between the control pressure line of the fuel distributor and the outlet line of the warm-up regulator.
2. Remove fuel pump relay and energize pump by bridging cavities 30 & 87.
3. Bleed pressure gauge and set valve to open position, read control pressure.
4. Set valve to closed position, read line pressure.