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

Engine Oil: Testing and Inspection

For Testing and Inspection information please refer to Powertrain Management/Computers and Controls/Testing and Inspection/Procedures/Displaying and Reading Trouble Codes/With Manufacturer's Scan Tool/ Performance Diagnostic Procedures