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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Exhaust Gas Recirculation: Specifications


3E ENGINE (CARBURETED)

EVAP Temperature Switch
Below 48°C (118°F) ON (Continuity)
Above 60°C (140°F) OFF (No Continuity)

EGR BVSV
Below 40°C (104°F) Open (EGR Disabled)
Above 54°C (129°F) Closed (EGR Enabled)

HAI Control Valve (HIC)
Below 26°C (79°F) Intake Air Hot
Above 34°C (93°F) Intake Air Cool

Engine Vacuum At Idle 450 mmHg (17.72 in.Hg, 60 kPa) or more


3E-E ENGINE (FUEL INJECTED)

EVAP BVSV
Below 35°C (95°F) Open (EVAP Disabled)
Above 54°C (129°F) Closed (EVAP Enabled)

Engine Vacuum At Idle 450 mmHg (17.72 in.Hg, 60 kPa) or more