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

Service Tips

Service Tips:

DIFFERENTIAL PRESSURE FEEDBACK EGR SENSOR (MT ONLY)
- If the differential pressure feedback EGR sensor or circuit has an open or short, Diagnostic Trouble Code No. 326, 327, 332, 335, 336 or 337 is output.