2014 Mustang beginning to idle rough
3/12/21, 01:26 PM
#21
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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.
3/14/21, 05:46 AM
#22
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have you tried the things that were suggested earlier in this thread?
3/26/21, 10:19 PM
#23
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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.
9/24/21, 06:30 PM
#24
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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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