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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temporarily or
permanently
EGR Valve: Testing and Inspection
1.
Run engine until it reaches normal operating temperature.
2.
Disconnect vacuum line from
EGR valve.
3.
Apply intake manifold vacuum to
EGR valve and ensure engine idles rough or stalls. If not, clean or replace EGR valve.