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o/t 4L80E trans problem
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Posted by muggsw6 on June 15, 2006 at 08:36:32 from (4.158.225.220):
I have a 92 Chevy 3500 w/454/4L80E that doesn't seem to want to lock the converter tight in drive.Tries to lock up, but doesn't seem to according to my temp gauge. Locks up tight in o/d though. If I am pulling my trailer empty in o/d and start up a big hill, it will shift from o/d locked up straight to 3rd unlocked and throws some kind of code to the computer that wont allow it to shift up any farther than 3rd unlocked untill you reset the computer by turning ign switch on 45 sec. off 45 sec. until it resets itself. I haven't found anyone who can explain this one to me yet. I'm not sure whether it is modulator,wiring,computer or what it is. I thought if anyone here had any suggestions or past experiences I might learn something before I stumbled blindly into it myself! LOL Mark
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