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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Another E4OD hard shift issue

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Old Aug 23, 2019 | 10:32 AM
  #1  
purplewg's Avatar
purplewg
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From: FLA
Another E4OD hard shift issue

Ok, my friend has a 95 F250 with E40D trans. The intake sprung a leak and had to be replaced. He took it into a local shop and in their defense they are usually pretty dang good on Fords.

They replaced the intake and he went to pick it up and it now shifts really hard in most gears. The truck shifted perfectly prior to the intake change.

They changed something in the instrument cluster they said had to do with the shifting but the problem came back in just a few days. I suspect they did something during the intake change that they haven't been able to find. The truck has been in their shop for 2 months now. The owner picked it up the other day, drove around the block and bang into gear again. The owner said they could not repeat it. Well, he drove it the same day and banged into gear for him. He put a code reader on it and managed to capture something he told the owner. Not sure if they have looked at it since.

Anything you would recommend they look at that might have been done during the intake change?
 
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Old Aug 23, 2019 | 10:37 AM
  #2  
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R&RFord
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From: Candy Mountain
The MAP sensor and it's vacuum feed from the vacuum tree on the intake manifold.
 
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Old Aug 23, 2019 | 10:54 AM
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Albert Lovell
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What engine? What codes show up?
 
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Old Aug 23, 2019 | 11:07 AM
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purplewg
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From: FLA
Originally Posted by R&RFord
The MAP sensor and it's vacuum feed from the vacuum tree on the intake manifold.
Thank you I will pass that along.
 
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Old Aug 23, 2019 | 11:09 AM
  #5  
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purplewg
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From: FLA
Originally Posted by Albert Lovell
What engine? What codes show up?
Guess I should have passed that along. lol 351 engine, the shop didn't tell him the code they saw. I will see if he can get it.
 
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Old Aug 23, 2019 | 07:52 PM
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Mark Kovalsky
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The trans shifts hard because there are codes stored. You need to know what codes are stored to fix this.
 
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