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!
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Valve Deactivation Solenoid: Testing and Inspection
MDS SOLENOIDThe Multi Displacement System has the following detectable issues:
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Solenoid circuit
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Fail to deactivate a cylinder(s)
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Fail to reactivate a cylinder(s)
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Low oil pressure