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
EGR Solenoid
The SCAN tool monitors only the ECM drive command to the
EGR solenoid. When the engine is cold, the ECM energizes the
solenoid and vacuum signals to the
EGR valve are blocked. When the engine is warm, the ECM switches the solenoid off and vacuum is allowed to reach the EGR valve.