Engine Controls Component Views. Chevrolet TrailBlazer

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2007 🢒 TrailBlazer - 4WD 🢒 Engine 🢒 Engine Controls and Fuel - 4.2L 🢒 Engine Controls Component Views

Figure 1:


(1)	Powertrain Control Module (PCM)
(2)	Powertrain Control Module (PCM) C3
(3)	Powertrain Control Module (PCM) C2
(4)	Generator

Figure 2:


(1)	Evaporative Emission (EVAP) Canister Purge Solenoid
(2)	Starter
(3)	Crankshaft Position (CKP) Sensor
(4)	Knock Sensor (KS) 2 - Rear
(5)	Knock Sensor (KS) 1 - Front

Figure 3:


(1)	Mass Air Flow (MAF) / Intake Air Temperature (IAT) Sensor
(2)	Camshaft Actuator Solenoid Assembly
(3)	Camshaft Position (CMP) Sensor
(4)	Engine Oil Pressure (EOP) Switch
(5)	Heated Oxygen Sensor (HO2S) Sensor 1

Figure 4:


(1)	Secondary Air Injection (AIR) Solenoid (K18)

Figure 5:


(1)	Manifold Absolute Pressure (MAP) Sensor
(2)	Throttle Body
(3)	Engine Coolant Temperature (ECT) Sensor

Figure 6:

Figure 7:


(1)	Heated Oxygen Sensor (HO2S) Sensor 2

Figure 8:


(1)	Instrument Panel Harness
(2)	Accelerator Pedal Position (APP) Sensor
(3)	Accelerator Pedal
(4)	Brake Pedal
(5)	Stop Lamp Switch

Figure 9:


(1)	Secondary Air Injection (AIR) Pump
(2)	Secondary Air Injection (AIR) Pump Relay

Figure 10:


(1)	Fuel Tank Pressue (FTP) Sensor
(2)	Fuel Pump and Sender Assembly
(3)	Chassis Harness
(4)	Fuel Tank
(5)	Evaporative Emission (EVAP) Canister Vent Solenoid