Transmission issue.
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New User
Joined: Jul 2014
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Transmission issue.
Hello everyone, Im new to FTE, so bear with me. I have a 94 F150 XL/XLT 4x4 with 351 and E4OD auto tranny. It started shifting hard through the gears. But it only does it occasionally. No warning lights on. Help please.
Mater03
Mater03
Last edited by Mater03; Jul 10, 2014 at 11:34 AM. Reason: misspelled word
Elder User
Joined: Jul 2011
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From: Vernon, BC
The first thing to do is to check you transmission fluid levels. Your transmission is completely electronically controlled so the next step is to pull any codes your truck may have. From there some of the other more experienced people on here can help you to track down the reason for the codes.
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I checked the fluid levels and they seem a little high. Will this cause this occasional hard shift? My check engine light does not come on. Will codes come up without the engine light on? I just purchased this truck 2 days ago, and already having issues.
Elder User
Joined: Jul 2011
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From: Vernon, BC
Yes you can pull codes even if the Check Engine light is not on. If your transmission fluid is high you should remove some until it is in the normal range. I don't know about the E4OD but on one of my old C4 transmission I blew a seal because I had too much fluid in the transmission. I was too young to know any better and I don't remember how it was shifting. It's been a long time ago.
Fleet Owner
Joined: Oct 2005
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From: Kentucky
Yes you can have codes without a Check Engine Light on.
Warm up the truck then run the Key On Engine Off (KOEO) tests and Continuous Memory (CM aka historical) display: How to run a self test
3 Digit code definitions: 3 digit code defintions
Or invest in a code reader such as the
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The Southernmost Mod
Joined: Dec 2004
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From: Caracas, Venezuela
Measure the fluid level after you have made a short trip, with the engine running and at operating temperature.
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