ZX3 will cut off due to low idle - Focus Fanatics
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Old 09-14-2013, 10:07 PM   #1
sgibbs2013
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ZX3 will cut off due to low idle

I just noticed my zx3 cutting off when i shift to neutral. I noticed the rpm going from normal to under 500 rpm to 0. Then I have to crank it back up. I am guessing that this is the IAC motor going bad. Is anybody on here familar with this issue?


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Old 09-15-2013, 04:18 AM   #2
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Can be TPS as well..............
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Old 09-15-2013, 04:17 PM   #3
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Tps?
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Old 09-16-2013, 08:49 AM   #4
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Quote:
Originally Posted by sgibbs2013 View Post
Tps?
Throttle Position Sensor.
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Old 09-16-2013, 09:19 AM   #5
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IAC before tps. Tps would throw a code.
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Old 09-16-2013, 10:55 AM   #6
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^TPS might throw a code, it's not 100% guarantee... remember the computer throws codes based on educated guesses, and it may not throw a code if the problem isn't constant...

If you have a multimeter test the TPS before just throwing parts at it.

how to test the TPS: http://www.youtube.com/watch?v=6eoH4aE1mKw

Also check the PCV hose to make sure it isn't cracked or collapsed, then check for vacuum leaks.
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