2014 Mustang beginning to idle rough

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3/12/21 | 02:26 PM

#21

Bustedcoyote

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Joined: March 12, 2021

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Quote:

Originally Posted by kanine

That was one of the first things I did, cleaned the MAF and throttle body, cleaned it with the flap open too. It sort of "fixed" the idle for 2 days, but it went back to doing the same after. There was a little carbon build up, but wasn't that bad. I think I'm going to try some fuel system cleaner next, see if that does anything.

Bringing the thread back to life, I’m having the same exact issue as Kanine, has anyone had any luck or updates?

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3/14/21 | 06:46 AM

#22

Bert

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Joined: January 25, 2010

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From: Massachusetts

have you tried the things that were suggested earlier in this thread?

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3/26/21 | 11:19 PM

#23

RG159

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Joined: March 26, 2021

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I am having the exact same issues on my 13 GT w/manual transmission. I will try cleaning the throttle body and using injector cleaner. Doesn’t explain the voltage thing though. My car has a new alternator too.

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9/24/21 | 07:30 PM

#24

mastercompton2

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Joined: September 24, 2021

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Ok so this should solve your idling up an down cam an crank relearn from your tuner device an I did a good clean with the throttle body did plug change an purge valve but still have the idle up an down an idle an stalling out after some driving. The cam an crank relearn with you handheld tuner device an you should be set

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