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.
Turbocharger WASTEGATE Motor
The turbocharger wastegate motor is attached to the turbocharger and allows the PCM to control the turbocharger wastegate position. The turbocharger wastegate motor controls the turbocharger wastegate linkage position to control the boost pressure limit. During driving conditions, the PCM controls the turbocharger wastegate motor position with positive and negative voltage circuits, to change the position of the turbocharger wastegate to increase or decrease the boost pressure to the desired value. The PCM monitors the turbocharger wastegate position sensor signal for feedback on the wastegate motor performance, and to detect a stuck wastegate. The turbocharger wastegate position sensor is integral to the turbocharger wastegate motor.
Typical Turbocharger Wastegate Motor
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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.