1999 Chevy S-10 Transmission doesn't start in first gear

Tiny
MLOCKE17
  • MEMBER
  • 1999 CHEVROLET S-10
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 130,000 MILES
I had my transmission rebuilt less than 3 years ago, and suddenly my check engine light came on, and now the truck starts off in 3rd gear and overdrive or "D" is weaker than it used to be. When the check engine light goes off, once in a while, the truck is back to normal. That went on for a while, but now it starts off in third all the time. I have to manually shift it everyday now. I still however, don't have first gear, even when I manually shift it. I'm afraid that if I continue with this manually shifting, I will burn out my transmission. Is there something I can do myselft to troubleshoot this problem? All transmission shops want $100 just to diagnos the problem, and we all know there going to tell me that I need a new transmission. They are all the same.
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Saturday, March 20th, 2010 AT 6:19 AM

7 Replies

Tiny
DOCFIXIT
  • EXPERT
Hi
Go to an Auto Zone have codes read then post will advise as to diagnosis.
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Monday, March 22nd, 2010 AT 3:57 PM
Tiny
MLOCKE17
  • MEMBER
Ok, I went to a friends auto repair shop and he was able to give me the check engine codes. They are:
V100 - Class 2 serial comm. Problem
P1171 - Fuel system lean during acceleration
P0562 - System voltage low
P0463 - Fuel Level sensor group signal High/open
P0756 - Shift Solenoid 'B' performance or stuck off
P0756 - 2-3 shift solenoid 'B' circuit fault

I know that some of these codes pertain to other things besides my transmission, but I was told that the last 2 are transmission codes.
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Tuesday, March 23rd, 2010 AT 5:22 PM
Tiny
DOCFIXIT
  • EXPERT
O.K. Let's deal with P0756 &758 first check fuse # 11 in instrument panel box.
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Wednesday, March 24th, 2010 AT 9:35 AM
Tiny
MLOCKE17
  • MEMBER
Fuse #11 is good.
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Wednesday, March 24th, 2010 AT 3:35 PM
Tiny
DOCFIXIT
  • EXPERT
Without a scan tool there is nothing that can be done short of replacing the 2-3 shift solenoid. Did you check fuse with a test light need to know if power is getting to solenoid?
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Thursday, March 25th, 2010 AT 12:54 PM
Tiny
MLOCKE17
  • MEMBER
Yes I tested it with a test light. I checked continuity on the fuse also. It tests out fine. Where exactly is this 2-3 solenoid located on my truck? Is this something that I can replace myself? About how much do these things go for at a auto parts store? And, if I had a transmission shop do the repair, what do they generally charge for this?
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Thursday, March 25th, 2010 AT 3:50 PM
Tiny
DOCFIXIT
  • EXPERT
It's on the valve body so would need to drop pan. Held on by a clip so not to tough of a job. Solenoid is @$60 and 1.5 hr labor


http://www.2carpros.com/forum/automotive_pictures/198357_Graphic_415.jpg

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Friday, March 26th, 2010 AT 8:47 AM

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