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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EGR Valve: Specifications

AIR PUMP
Operating Pressure Above 0.7 psi (4.9 kPa)

AIR CONTROL VALVE
Switching Valve Opening Vacuum 4.3 inHg (110 mmHg, 66.7 kPa)
Relief Valve Opening Vacuum 5.7 inHg (145 mmHg, 19.3 kPa)

EGR VALVE
Opening Vacuum 3.3 - 4.5 inHg (85 - 115 mmHg, 11.0 - 15.3 kPa)

CHECK VALVE
Port A Opening Vacuum Approx. 1.46 inHg (37 mmHg, 5 kPa)
Port B Opening Vacuum Approx. 1.73 inHg (44 mmHg, 6 kPa)