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Transmission isnt shifting correctly?

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Old March 21st, 2014, 4:53 PM
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Default Transmission isnt shifting correctly?

Ok So on my 1997 Chevy C1500 4.3v6 The transmission isnt ****fing correctly, its from 1->2 and 2->3 I havent gone up all the way to 4. So I was worried and I took it to an auto parts store checked the fluid (fine) and borrowed an OBD scanner and it didnt fire any codes besides a misfire on cylinder 1. Im stumped and dont know whats going on, I just want to get my baby fixed. Any ideas what could be causing this?
Old March 21st, 2014, 4:54 PM
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LOL it blocked out S H I F T I N G.
Old March 21st, 2014, 5:38 PM
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You have an automatic transmission? If so when was the last time you changed the transmission filter?
Old March 21st, 2014, 6:08 PM
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Originally Posted by Richardx2
You have an automatic transmission? If so when was the last time you changed the transmission filter?
Shoot, probably not for a while, it happened after I let it sit for like a week aswell. If that would help come to any conclusions for you.
Old March 21st, 2014, 6:23 PM
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What model transmission is in the truck turbo 350 or turbo 400?
Was it shifting correctly before it sat for a while?
Have you checked to make sure the modulator valve is holding vacuum?
Old March 21st, 2014, 6:27 PM
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Originally Posted by Richardx2
What model transmission is in the truck turbo 350 or turbo 400?
Was it shifting correctly before it sat for a while?
Have you checked to make sure the modulator valve is holding vacuum?
350.
Yes it was shifting perfect before, and what do you mean? Where is the modulator so i can check it?
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