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1996 4.6 auto high rpm to shift

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Old 02-21-2014, 07:05 PM   #1
jwhite5982's Avatar
Join Date: Feb 2014
Vehicle: 1965 Ford Mustang Fastback
Location: Texas
Posts: 1
Default 1996 4.6 auto high rpm to shift

My son's 96 gt 4.6 does not want to upshift until high rpms. it will shift if you let off of the accelerator though. This is a high-mileage car we recently purchased so i do not know the cars service history. i have done a little research and know there are issues with the shift solenoids. Can someone tell me heo to diagnose the problem or at least point me in a direction to go?
Thanks, Joe
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Old 02-22-2014, 09:51 AM   #2
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Vehicle: 01,Mustang,GT
Location: NC
Posts: 2,043

Hi, what are you calling high RPM ? The tranny will shift on different cycle depend on how you are driving. My car has 170k on it with the original tranny. From the day i brought it new in 02, the tranny has always driven with different cycle. Get yourself a Ford service manual. It will giving you the info you are seeking about the shift pattern for your car.
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