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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Turbo


1. Disconnect hoses from transducer side ports.
2. Apply compressed air into black hose at bottom of transducer. Air should not flow through transducer.
3. Apply compressed air into the EGR valve side port of the transducer. Air should flow through thermal vacuum side port and air filter portion of transducer.
4. If back pressure transducer does not operate as specified, replace back pressure transducer.