Automatic Gear Box fails to shift Gears and slips

2001 ISUZU TROOPER
165,309 MILES
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NGABO
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  • 1 POST
When the car starts to move it shifts from gear 1 to 2 but fails to shift from gear 2 to 3 and 4.
Aug 22, 2012 at 6:51 PM
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ASEMASTER6371
  • ✓ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
check fluid, beyond that it is internal and most likely will have to come out and be overhauled

Roy
Aug 22, 2012 at 7:36 PM
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KHLOW2008
  • ✓ASE Certified Mechanic
  • 41,814 POSTS
  • ASE Certified Mechanic
Did you check for trouble codes?
Is the MIL indicating?
Aug 22, 2012 at 7:37 PM
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