2008 Pontiac Wave (CANADA) L4-1.6LFACTORY OEM SERVICE PROCEDURE

Engine Controls Component Views (Notchback)



Engine Controls Component Views (Notchback)

Exhaust Gas Recirculation (EGR) and Knock Sensor (KS)

Factory service manual diagram



1 - Idle Air Control (IAC) Valve
2 - Throttle Position (TP) Sensor
3 - Intake Manifold Tuning Valve Solenoid
4 - Knock Sensor (KS)
5 - Exhaust Gas Recirculation (EGR) Valve
6 - Vehicle Speed Sensor (VSS)
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.