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

G11 - Check System's Ability to Hold Fuel Pressure

- Key "ON", engine "OFF".

- Does fuel pressure remain at specification for 60 seconds?

Yes -- For Flexible Fuel vehicles: Go to HB2. HB2 - Check Fuel Pressure

FOR MFI: Go to pinpoint test step H7. H7 - Check Resistance of Injector(s) and Harness MFI Engines

FOR SFI: Go to G12. G12 - Cylinder Balance Test

No -- Go to Fuel Delivery and Air induction.