Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2007 Hummer H2 V8-6.0LFACTORY OEM SERVICE PROCEDURE
Powertrain Management: Locations
Engine Controls Component Views
Lower Left of the I/P
1 - APP Sensor
2 - APP Sensor Connector
Left Side of Engine
1 - Ignition Coil 1
2 - Fuel Injector 1
3 - Fuel Injector 3
4 - Fuel Injector 5
5 - Fuel Injector 7
6 - Ignition Coil 7
7 - Ignition Coil 5
8 - Ignition Coil 3
9 - Engine Coolant Temperature (ECT) Sensor
Right Side of Engine
1 - Throttle Body Assembly
2 - Fuel Injector 2
3 - Ignition Coil 2
4 - Fuel Injector 4
5 - Ignition Coil 4
6 - C158 - Ignition Coil Inline
7 - Fuel Injector 6
8 - Ignition Coil 6
9 - Ignition Coil 8
10 - Fuel Injector 8
Right Rear Corner of Cylinder Block
1 - CKP Mounting Bolt
2 - CKP Mounting Location
3 - Crankshaft Position (CKP) Sensor
Engine Compartment Mounted Components
1 - Intake Air Temperature (IAT)/Mass Air Flow (MAF) Sensor
2 - Throttle Actuator Control (TAC) Module
3 - Powertrain Control Module (PCM)
4 - Crankshaft Position (CKP) Sensor
5 - Starter Solenoid
6 - Engine Oil Level Switch
Top View
1 - Manifold Absolute Pressure (MAP) Sensor
2 - Knock Sensor Pigtail
3 - C115
4 - Engine Harness
5 - Engine Harness
6 - G103
7 - G104
8 - Camshaft Position (CMP) Sensor Connector
9 - Engine Oil Pressure (EOP) Sensor Connector
10 - Generator
11 - Throttle Body Connector
12 - Evaporative Emission (EVAP) Canister Purge Solenoid
Chassis Mounted Components
1 - Fuel Filter
2 - Fuel Tank
3 - Fuel Pump and Sender Assembly
4 - Fuel Tank Pressure (FTP) Sensor
5 - Evaporative Emission Canister Vent (EVAP) Solenoid
6 - EVAP Canister
7 - Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
8 - Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
9 - Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
10 - Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
Knock Sensors
1 - Knock Sensor (KS) 1
2 - Knock Sensor (KS) 2
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.