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: Testing and Inspection




INSPECTION
- Start the engine and let it idle.
- Connect a vacuum pump as shown and apply vacuum.
- Verify that the engine runs roughly or stalls at the specified vacuum.

Specification: 8.7 - 10.6 kPa (2.6 - 3.1 in. Hg.)

- If not as specified, replace the EGR valve.