2005 mustang GT... Starts but suddenly Dies out! Please Help! - Mustang Evolution

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Old 04-14-2014, 04:27 PM   #1
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2005 mustang GT... Starts but suddenly Dies out! Please Help!

I recently changed my spark plugs on my 05 GT. I had one get stuck on me so I bought the plug remover and continued with my tune up. After about 3 days after running like a champ it started missing once in a while when idling not on a load. after about a week it started sputting until the tac hit 2 RPMs. I checked both coils and injectors and seem to be working fine. I checked the plugs and 3 of them were a little loose so I turned them back in and the really BAD spurting and missing went away. However I restarted my ECM to get rid of the check engine light was on from me diagnosing the miss. Now when the car idles it's around 500 rpm and other times it starts and then goes straight to stall unless I give it some gas. It seems whenever I engage in neutral ( is a standard) the engine just dies. Please help this is stumping me and it's not the greatest for the car. Also I'm not showing any check engine lights or limp home mode
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Old 04-14-2014, 04:46 PM   #2
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Could the restart on the ECM cause the factory tune to mess up the idle control?
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Old 04-15-2014, 10:54 PM   #3
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Possible broken spark plug or bad COP wire.
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Old 04-15-2014, 10:56 PM   #4
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Look in your owners manual and do the idle relearn procedure.
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Old 04-22-2014, 11:23 AM   #5
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Sorry it took a while to post back I got busy the past week. I did the idle relearn and it fixed the idle and dying problem but the original miss came back >. I'm going to pull the plugs and take a look if not that. I have to look at injectors or coils idk what else after that. Maybe cop wire?
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