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Q: Truck keeps stalling

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I replaced the idle air control valve and the TPS, and the truck still doesn't want to stay running. While driving, the truck doesn't want to accelerate, and when idling the truck dies.

Your vehicle having an idle issue is likely due to an air leak in the intake system or a sensor. Diagnosis of this problem is difficult on your year and model of truck. Finding the issue may be quick or extensive. A qualified technician, such as one from YourMechanic, can assist you in diagnosis and repair.

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