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
S9 - Check EGR Valve
-
Check
Exhaust Gas Recirculation (EGR) valve for housing leaks or EGR gasket blow-by. Service as necessary.
-
Remove
EGR valve and check for proper seating.
-
Does EGR valve seat properly (fully closed)? Yes -- Reconnect original
EGR valve. Go to pinpoint test step H2.
H2 - Check Fuel Pressure No -- Reconnect original
EGR valve. Refer to
Emission Control Systems for EGR valve diagnosis.