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

System Specifications

COLD START VALVE
Resistance between connector terminals 6 to 13 ohms

DIFFERENTIAL PRESSURE REGULATOR
Resistance between connector terminals 15 to 20 ohms
Control current readings
At idle checking value 0 to 5 mA
At idle adjusting value 2.5 ± 2.5 mA
After start enrichment (6 to 9 seconds) 15 to 25 mA
Warm-up enrichment 9 to 15 mA

FUEL PUMP
maximum current draw 8.5 amps