Operation CHARM: Car repair manuals for everyone.
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

System Specifications

EGR OPERATION VS. COOLANT TEMPERATURE
EGR activated Above 55°C (131°F)
EGR deactivated Below 55°C (131°F)

EGR VALVE
Opening vacuum 40 - 90 mmHg. (1.6 - 3.5 in Hg.)