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Added IAT sensor now my miata wont start!

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Old Sep 6, 2017 | 01:40 PM
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Question Added IAT sensor now my miata wont start!

Hello everyone! I have a 1995 Mazda Miata that has been running fine on megasquirt pnp2 until I finally decided to get rid of the MAF and add on an IAT sensor. I wired it in correctly, to the 3rd and 4th pins, and entered the correct values in tuner studio, and the readings show on Tuner Studio, So I am not to sure what is going on! I attached my no start data log to this post.
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Old Sep 6, 2017 | 01:42 PM
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In the diagnostics box on the driver side of the engine bay, what happens if you jump ground and FP? Try starting the car with those jumped and see if it stays running.
Old Sep 6, 2017 | 02:37 PM
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Originally Posted by shuiend
In the diagnostics box on the driver side of the engine bay, what happens if you jump ground and FP? Try starting the car with those jumped and see if it stays running.
Gave this a shot and it didn't end up working. very stumped on this issue.
Old Sep 6, 2017 | 02:49 PM
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but oddly enough if I remove the vacuum hose going from the intake manifold to the valve cover, it will start, but will idle at 1700rpm.
Old Sep 6, 2017 | 08:56 PM
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any other ideas anyone?!? I really need to get the car running properly for an upcoming drift event!!!
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Old Sep 6, 2017 | 09:36 PM
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Originally Posted by CarGuyBri
any other ideas anyone?!? I really need to get the car running properly for an upcoming drift event!!!
Have you tried the stoley's trick?

Douse the car in it and strike a match.
Old Sep 6, 2017 | 09:39 PM
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looks like that's my only option




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