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 logical successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la
Compression Testing
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When performing a compression test--on fuel injected vehicles--remove the
fuel pump relay fuse, and disconnect power to the ignition to stop fuel flow to the injectors and prevent engine from starting.