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

Air Injection Pressure Sensor/Switch: Locations



Engine Controls Component Views

Upper Rear of the Engine




1 - Exhaust Gas Recirculation (EGR) Valve
2 - Intake Manifold
3 - Valve Cover
4 - Secondary Air Injection (AIR) Control Solenoid Valve/Pressure Sensor, Bank 2 (NU3)