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

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Electrical Specifications


Specifications are in addition to basic timing.

Perform all tests with engine at operating temperature.

1981-87: Carburetted, disconnect and plug vacuum hose at computer. Apply 16" of vacuum to the transducer and increase engine speed to 2000 RPM. Verify that idle speed screw is not contacting the carb ground switch aand check advance against specification after time indicated has elapsed.

1983-90: With FI, increase engine speed to 2000 RPM and check advance.