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Code P1516, will not start after overheating

Tiny
CRISTOPHER
  • MEMBER
  • 2005 SATURN ION
  • 2.2L
  • 2WD
  • AUTOMATIC
  • 205,203 MILES
My car won't start so I hooked it up to an OBD / OBD2 reader and a trouble code P1516 shows up. I've already replaced my spark plugs, my starter and my battery. What can I do to fix my car? It was overheating so I had to change out my thermostat and thermostat housing and the coil pack. What can I do to make my car run again? Because I have been stuck on the side of the road trying to get my car to start for a little over a month now.
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Friday, May 7th, 2021 AT 9:27 AM

3 Replies

Tiny
DANNY L
  • MECHANIC
  • 5,648 POSTS
Hello, I'm Danny.

This code P1516 is related to the Throttle Actuator Control. I've attached picture diagnostic steps below for this code on your car. Let us know what you find and we'll go from there. Hope this helps and thanks for using 2CarPros.
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Friday, May 7th, 2021 AT 9:33 PM
Tiny
CRISTOPHER
  • MEMBER
  • 2 POSTS
I don't understand the circuit d description and when I enlarge the pages the words become blurred to where I can't read them.
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Saturday, May 8th, 2021 AT 2:29 PM
Tiny
DANNY L
  • MECHANIC
  • 5,648 POSTS
Hello again.

I've enlarged the wiring diagram you mentioned even bigger and attached it below. Do you need all the pages enlarged as well? Hope this helps and thanks again for using 2CarPros.

Danny-
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Saturday, May 8th, 2021 AT 2:38 PM

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