Hesitation at 40-50 MPH - Mustang Evolution

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Old 05-01-2006, 04:00 PM   #1
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Cool Hesitation at 40-50 MPH

My Mustang 2002 V6 feels like it hesitates or the transmission shifts up and down at 40 to 50 MPH when going up a hill.
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Old 05-01-2006, 04:45 PM   #2
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Re: Hesitation at 40-50 MPH

How long has it been since you changed the transmission fluid? I changed my auto every year and went no longer than 24k miles~ its not to expensive and it REALLY makes them last longer. I would try this to see if it firms it up.
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Old 05-01-2006, 06:55 PM   #3
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Question Re: Hesitation at 40-50 MPH

I own an '02 V6 Mustang with the same problem. I changed the transmission fluid a couple of weeks ago and it's still happening. I just bought the car in November, and it still has a warranty on it, so I'm planning to have it checked out soon.

I'm hoping the transmission isn't going to drop out of it. It already had high milage when I bought the car, and I worked as a merchandiser and put a lot of miles on the car in the past 6 months.

Other than it slipping between 40-50 mph, the car runs great.
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Old 05-01-2006, 07:16 PM   #4
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Re: Hesitation at 40-50 MPH

check the plugs and wires and the o2 sensors
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Old 05-02-2006, 09:26 AM   #5
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Re: Hesitation at 40-50 MPH

does it shutter and shake when it should be shifting
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Old 05-02-2006, 05:44 PM   #6
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Re: Hesitation at 40-50 MPH

Ya for a second or two then it's all good. the guy at he ford place said it is the transmission. I have an appointment to go in tomorrow so I'll update everyone. l8r
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Old 05-02-2006, 11:12 PM   #7
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Re: Hesitation at 40-50 MPH

Quote:
Originally Posted by dark
check the plugs and wires and the o2 sensors
Prolly the cause right there.
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Old 05-03-2006, 08:25 AM   #8
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Re: Hesitation at 40-50 MPH

My Mustang mostly hesitates when under load (going up a hill). The car doesn't shake. It feels like a small push - two to three times then it stops. It has plenty of power and if I raise the speed of the vehicle it stops. I have already replaced the spark plugs, air filter, fuel filter and cleaned the MAF sensor.
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Old 05-03-2006, 08:51 AM   #9
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Re: Hesitation at 40-50 MPH

im going to point to the transmission but there are many variables in that area, dont commit to paying for anything yet see what ford says first.
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