2000 Chevy Express not shifting into 4th

2000 CHEVROLET EXPRESS
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CURTIS TURNER
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Transmission problem
2000 Chevy Express V8 Two Wheel Drive Automatic

I had my Transmission Pan Filter and fluid chaned but have no 4th gear(overdive)
Dec 14, 2009 at 4:41 PM
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DOCFIXIT
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Hi
Trans has self diagnostic have a scan done of PCM matbe a faulty shift solenoid or speed sensor.
Thanks for donate
Dec 16, 2009 at 9:16 AM