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cowboy71584
User
Mar 30, 2009, 4:05 PM
Post #1 of 12
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Trans will not shift
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Hey there
I have a 1994 K1500 Z71 the problem I am haveing is I have to pull the gear lever into a low gear like 2 or 1 to start off then just manuel shift up but the truck will not go into over drive if I try to start off in D the truck moves but acts like it is in a bind what can this be and what can I do I have replaced the wire harness and 2 shift selaods
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Loren Champlain Sr
Veteran
/ Moderator
Mar 30, 2009, 4:38 PM
Post #2 of 12
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Re: Trans will not shift
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Does the speedometer work correctly? Any trouble codes? Check engine lamp illuminated? Which engine? So many questions.
Loren
SW Washington
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cowboy71584
User
Mar 30, 2009, 4:46 PM
Post #3 of 12
(3237 views)
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Re: Trans will not shift
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Hey there
Yes the speedometer works fine It has the 5.7 350 the engine lite is on but has been for the past 3 years without any problems tell now and I have not had it coded yet all I know is I replaced the wireharness because it was showing bare and bad wires and the guy i got the truck from 3 years ago had a big ball of wires under the body of the truck and my 4x4 was not working right I orded a manule shift cable kit from summit raceing to get reid of the stock actuwater value the locks my 4x4 that is when this started I also posted a post in the engine area because I am haveing starting and idle problem now also
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Loren Champlain Sr
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/ Moderator
Mar 30, 2009, 5:11 PM
Post #4 of 12
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Re: Trans will not shift
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Okay; The check engine light has been on for three years and you haven't bothered to find out WHY? From personal experience, if you get a severe pain in your left arm or solar plexes, I'd suggest you get it checked. Good luck.
Loren
SW Washington
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cowboy71584
User
Mar 30, 2009, 5:14 PM
Post #5 of 12
(3230 views)
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Re: Trans will not shift
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The lite is on becuase of a change I made 3 years ago to the muffler went from stock to duels nothn else so what can it be
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Loren Champlain Sr
Veteran
/ Moderator
Mar 30, 2009, 5:16 PM
Post #6 of 12
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Re: Trans will not shift
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The exhaust wouldn't make a CEL illuminate unless you put on headers and removed the O2 sensor.
Loren
SW Washington
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cowboy71584
User
Mar 30, 2009, 5:18 PM
Post #7 of 12
(3225 views)
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Re: Trans will not shift
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that is what i did I put true duels on the truck so what would make me have my problem
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cowboy71584
User
Mar 30, 2009, 5:20 PM
Post #8 of 12
(3224 views)
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Re: Trans will not shift
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if I can not fix this problem with out spending alot of money can i take out the 4L60 I have and put in a 700R but would like to fix the problem
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Loren Champlain Sr
Veteran
/ Moderator
Mar 30, 2009, 5:23 PM
Post #9 of 12
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Re: Trans will not shift
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If you removed the O2 sensor, how is the PCM going to know how to deliver fuel? By replacing the harness, the PCM is getting what data it can. If it can't 'see' O2 operation, well,.....
Loren
SW Washington
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cowboy71584
User
Mar 30, 2009, 5:30 PM
Post #10 of 12
(3219 views)
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Re: Trans will not shift
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OK thats fine I need help with a trans problem not a o2 problem any ideas on the trans problem
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Loren Champlain Sr
Veteran
/ Moderator
Mar 30, 2009, 5:51 PM
Post #11 of 12
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Re: Trans will not shift
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You missed the point. If the CEL is illuminated, the PCM is telling you that there is a problem. Since you haven't bothered to check what the problem is, this is moot. You don't know if it's the O2, or not. Once you get the codes retrieved, then we can go further. Until then...... (engine management can cause shifting problems)
Loren
SW Washington
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cowboy71584
User
Mar 30, 2009, 5:53 PM
Post #12 of 12
(3216 views)
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Re: Trans will not shift
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BUT everything was great and has been for 3 years now untell yesterday when I reaplced the harness
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