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

EGR 1 - Check System Integrity


^ Check vacuum hoses and connections for looseness, pinching, leakage, splitting, blockage end proper routing.

^ Inspect EGR valve for loose attaching bolts or damaged flange gasket.

^ Does system appear to be In good condition and vacuum hoses properly routed?

YES -- Go to EGR2. [1][2]EGR 2 - Check EGR Vacuum at Idle

NO -- Service EGR system as required. Re-evaluate symptom.