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

Coolant Temperature Sensor/Switch (For Computer): Locations



Powertrain Component Views

Rear of the Engine (LD8/L37/4.6L)




1 - Throttle Body Assembly
2 - Manifold Absolute Pressure (MAP) Sensor
3 - Valve Cover
4 - Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
5 - Engine Coolant Temperature (ECT) Sensor
6 - Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2

Near the Rear Cylinder Head (LD8/L37/4.6L)




1 - Exhaust Gas Recirculation (EGR) Valve
2 - Valve Cover
3 - G100
4 - Engine Coolant Temperature (ECT) Sensor