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 Diagnosis - Fuel System

For fuel system diagnosis, refer to:
FUEL SYSTEMS / DIAGNOSIS AND TESTING
or to
COMPUTERIZED ENGINE CONTROLS / DIAGNOSIS AND TESTING

For vehicles with Computerized Engine Controls, refer to:
FUEL SYSTEMS / DIAGNOSIS AND TESTING / DIAGNOSTIC CHARTS/CHART A-5
or to
COMPUTERIZED ENGINE CONTROLS / DIAGNOSIS AND TESTING / DIAGNOSTIC CHARTS / CHART A-5