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.
2012 Chevrolet Colorado 2WD L5-3.7LFACTORY OEM SERVICE PROCEDURE
Right Side of Engine Components
Powertrain Component Views
Right Side of Engine Components (LLR)
1 - Fuel Injector 5
2 - Ignition Coil 5
3 - Fuel Injector 4
4 - Ignition Coil 4
5 - Fuel Injector 3
6 - Ignition Coil 3
7 - Fuel Injector 2
8 - Ignition Coil 2
9 - Fuel Injector 1
10 - Ignition Coil 1
11 - Engine Oil Pressure (EOP) Switch
12 - Heated Oxygen Sensor (HO2S) 1
13 - Engine Coolant Temperature (ECT) Sensor Connector
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.