Top of Engine Components

2012 Chevrolet Colorado 4WD L5-3.7LSECTION Top of Engine Components



Powertrain Component Views

Top of Engine Components (LLR)




1 - Manifold Absolute Pressure (MAP) Sensor
2 - Throttle Body
3 - Camshaft Position (CMP) Sensor - Intake
4 - Camshaft Position (CMP) Sensor - Exhaust
5 - Camshaft Position (CMP) Actuator Solenoid Valve
6 - Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
7 - Secondary Air Injection Solenoid Valve (K18)
RENDER: 1.0x

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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.