2007 Chevrolet Impala V6-3.5LFACTORY OEM SERVICE PROCEDURE

Powertrain Management: Locations



Engine Controls Component Views

LF of the Engine Compartment

LF of the Engine Compartment:

Factory service manual diagram



1 - Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
2 - Brake Booster Vacuum Sensor (LS4)
3 - Windshield Wiper Motor
4 - Electronic Brake Control Module (EBCM)
5 - A/C Refrigerant Pressure Sensor
6 - Transmission Control Module (TCM)
7 - Engine Control Module (ECM)
8 - G101
9 - Inflatable Restraint Front End Sensor - Left

Near the Air Cleaner Duct (LZE, LZ4, LZ9)

Factory service manual diagram



1 - Evaporative Emission (EVAP) Canister Purge Solenoid Valve
2 - Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
3 - Air Cleaner Housing

Front of the Engine (LZE, LZ4, LZ9)

Factory service manual diagram



1 - Camshaft Position (CMP) Sensor
2 - Knock Sensor (KS) Bank 2
3 - Engine Oil Pressure (EOP) Sensor
4 - Camshaft Position Actuator Solenoid

Top of the Engine (LZE, LZ4, LZ9)

Factory service manual diagram



1 - Manifold Absolute Pressure (MAP) Sensor
2 - Throttle Body
3 - Intake Manifold
4 - Intake Manifold Tuning (IMT) Valve Solenoid (LZ9)
5 - Camshaft Position (CMP) Sensor
6 - Heated Oxygen Sensor (HO2S) 1
7 - Ignition Control Module (ICM)

Beneath the Upper Intake (LZE, LZ4, LZ9)

Factory service manual diagram



1 - Fuel Injector 5
2 - Engine Coolant Temperature (ECT) Sensor
3 - Fuel Injector 6
4 - Fuel Injector 4
5 - Fuel Injector 2
6 - Fuel Injector 1
7 - Fuel Injector 3

Rear of the Engine (LZE, LZ4, LZ9)

Factory service manual diagram



1 - Throttle Body
2 - Ignition Control Module (ICM)
3 - Heated Oxygen Sensor (HO2S) 1
4 - Engine Coolant Heater
5 - Engine Oil Level Switch
6 - Crankshaft Position (CKP) Sensor
7 - Knock Sensor (KS) Bank 1

Underbody

Factory service manual diagram



1 - Heated Oxygen Sensor (HO2S) 2

Pedal Assemblies

Factory service manual diagram



1 - Park Brake Switch
2 - Dash Panel
3 - Brake Pedal Position Sensor
4 - Accelerator Pedal Position (APP) Sensor

Fuel Tank Components

Factory service manual diagram



1 - Fuel Tank
2 - Fuel Pump and Sender Assembly
3 - Fuel Tank Pressure (FTP) Sensor
4 - Evaporative Emission (EVAP) Canister Vent Solenoid
Factory Service Tools

Use the Manual With the Right Hardware

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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