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Kid takes car, comes back with vibration and shifting issues

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Old 07-30-2017, 11:22 PM
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Kid takes car, comes back with vibration and shifting issues
Hi Folks.
2010 Mustang GT Premium manual. 93000 KM
Please advise!

Symptoms.

Rough idle at 800 RPM. Smooth at 1000 RPM.
Rough running on compression. Vibration.
Won't downshift to 3rd or 2nd from over 4500 RPM until revs are lower.
Rattling tin can sound on slowing to a stop. Possibly something loose or detached and rolling around in a housing.

Any ideas?
Many thanks, Alan
Last edited by RationalAlan; 07-30-2017 at 11:29 PM.
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Old 07-31-2017, 03:14 AM
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Never let your kid drive your Mustang ?
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Old 07-31-2017, 09:27 AM
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Originally Posted by RationalAlan
Hi Folks.
2010 Mustang GT Premium manual. 93000 KM
Please advise!

Symptoms.

Rough idle at 800 RPM. Smooth at 1000 RPM.
Rough running on compression. Vibration.
Won't downshift to 3rd or 2nd from over 4500 RPM until revs are lower.
Rattling tin can sound on slowing to a stop. Possibly something loose or detached and rolling around in a housing.

Any ideas?
Many thanks, Alan
Downshifting over 4500 seems like a bad idea to me anyway. Where is the rattling from. Sounds like he broke something major though and was bouncing of the limiter maybe? Good luck.
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Old 07-31-2017, 10:14 AM
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Originally Posted by Apocalypse Pony
Never let your kid drive your Mustang ?
No Kidding!
In the words of the old German Professor ... Too soon oldt ... Too late Schmardt.

Alan
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Old 07-31-2017, 05:16 PM
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Good thing it was not my kid.
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Old 07-31-2017, 09:51 PM
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Check the shields on your cats. Might be loose.
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Old 07-31-2017, 09:53 PM
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Originally Posted by Ray Spencer
Good thing it was not my kid.
That's why I lock mine up.
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