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 Backpressure Transducer: Locations

Emission System Layout:





Bimetal Vacuum Switching Valve
Threaded into the water jacket in the front of the engine.

Charcoal Canister
Mounted at the left front corner of the engine.

EGR Vacuum Modulator
Mounted to a bracket near the EGR on left side of intake manifold.

EGR Valve
Mounted to the left side of intake manifold.

EGR VSV
Mounted to the left side of intake manifold.

PCV Valve
Mounted at in the rear of left side valve cover.

Vacuum Control Valve (VCV)
Mounted next to vacuum modulator on the left side of the intake manifold.