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)
Or, hide this message:
temporarily or
permanently
Checking the EGR System
Tests 1 - 4:
Tests 5 - 10:
Test 11:
SYMPTOM CHECKING
EGR SYSTEMPOSSIBLE CAUSES -
Vacuum line to
EGR solenoid restriction or leak
-
Vacuum nipple at
throttle body plugged
-
EGR valve assembly defective
-
EGR valve assembly does not hold vacuum
-
EGR valve assembly tone changed
-
EGR valve assembly vacuum <=
3 inches -
Passages between EGR valve and intake closed