2000 Mercury sable 3.0 DOHC transmission. When driving up hill speed drops and engine rpm goes up. More gas no response.

  • Have you checked the automatic transmission fluid level? – SteveRacer Aug 16 '18 at 2:52

If it has a manual transmission, then your clutch is slipping and likely needs replacing.

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  • That vehicle has only AX4N ATX automatic transaxles to my knowledge. – SteveRacer Aug 16 '18 at 2:54
  • Yes that is the transmission in the car. Problem when going up a a steep hill rpm’s go up but car keeps slowing. Some times goes back when u let off gas pedal it will pick back up after you are over the hill and pick up speed. – Dick Mcmullen Aug 20 '18 at 15:56

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