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

Knock Sensor: Locations



Powertrain Component Views

Engine Components - Front




1 - Engine Coolant Temperature (ECT) Sensor
2 - Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
3 - Starter Motor
4 - Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
5 - Knock Sensor (KS) 2
6 - Engine Oil Pressure (EOP) Switch

Engine Components - Rear




1 - Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
2 - Intake Manifold Tuning (IMT) Solenoid Valve
3 - Crankshaft Pulley
4 - Knock Sensor (KS) 1
5 - Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
6 - Crankshaft Position (CKP) Sensor