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Q: Idling erratically

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My truck is idling erratically.

A: It sounds like you may be having problems w...

It sounds like you may be having problems with your Idle Air Control valve on the back of the throttle body. This valve controls how much air it lets into the throttle body to prevent the car from stalling. I would have a technician, from YourMechanic, come out and inspect the car and replace the IAC valve, if needed.

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