P2174 Throttle actuator control system sudden low air flow?

2007 CHRYSLER 300
217,456 MILES • 3.5L • AUTOMATIC
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BCHAMBLISS70
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  • 1 POST
When driving, car will shut off but restart immediately afterwards. When coming to a stop, engine idles down and turn off.
Nov 3, 2026 at 2:54 PM
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STRAILER
  • ✓Experienced Mechanic
  • 55,673 POSTS
I would service the throttle body first and then clear the codes. Here is a video to help you. Same style of engine as what you have.

https://www.youtube.com/watch?v=Ui8zhMLp5EM

Let me know and please upload a short video of the throttle body so I can see it.

Nov 4, 2026 at 7:58 AM
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