Weird E4OD issue

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Nov 20, 2005 | 03:52 PM

rl777

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Joined: Sep 2005

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Weird E4OD issue

I have a 90 big Bronco with a 351 and E4OD. I've been having problems with the shifting recently, first it wouldn't shift out of 1st. Then one day it started shifting out of first into 2nd, but wouldn't go past there, now it's shifting into 3rd and OD. Until it gets hot, then the check engine light will come on and it won't come out of 1st again. But when it's cold it shifts so smooth I can't tell it's shifting. Problems only occur when it's hot. A friend of mine said there may be a clog or in there and the tranny fluid is slowly cleaning it out, which might explain why it's shifting better now. When I got the truck it was a wreck, the pan was missing and the tranny was filthy with dirt etc. I cleaned it all up and put a new pan on etc.

I changed the fluid and filter, the more I try to drive it the better it shifts.

Any idea's would really help me out, I think the tranny is fine, there's a sensor or something somewhere I'm missing. I've replaced the selenoid pack, plus put in a new MLPS with the new connector.

Thanks.