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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Emission Control Systems: Specifications



Canister purge control valve opening vacuum 40-80 mmHg (1.6-3.2 inHg)
Fuel tank pressure control valve opening vacuum 28 mmHg (1.1 inHg)
Air induction system reed valve testing vacuum 254 mmHg (10 inHg)
EGR system minimum operating vacuum 7 inHg/2000 rpm