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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Test Notes

NOTE: You should enter this Pinpoint Test only when directed here.

REMEMBER
This Pinpoint Test is intended to diagnose the following:
- Spark Plugs
- Spark Plug Wires

PRELIMINARY NOTES
The engine analyzer is used to diagnose problems in the secondary side of the ignition system.

CHECK:
- Visually inspect the engine compartment to ensure all vacuum hoses and spark plug wires are properly routed and securely connected.
- Examine all wiring harnesses and connectors for damaged, burned or overheated insulation and loose or broken conditions.
- Be certain the battery is fully charged.
- All accessories should be off during diagnosis.

EQUIPMENT
Obtain the following test equipment or an equivalent:
- Engine Analyzer (Rotunda 010-00594).

NOTE: In order for the diagnostic procedures to provide accurate results, it is essential that the calibration of the engine analyzer be maintained.