I have a 94 Pontiac Firebird with an automatic. Currently with 150k miles.

Tiny
MOEBSTER
  • MEMBER
  • 1994 PONTIAC FIREBIRD
  • 150 MILES
Accelerating from a stop it feels like its late in upshifting causing it***** forward when shifting to second and 2nd to 3rd and finally around cruising range around 40-50 well flooring it doesnt make it downshift like a automatic is supposed to do it would just rev until 3500 and stay there and not even enter 4th oh yeah thats the other prob I can accelerate up to 80 and will not enter 4th causing the engine to stay a little more revved than its supposed to be this on long trips made the engine hotter too. I changed the tranny oil and nothing I changed the tps and its still the same does the tps need to be adjusted? Please help
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Sunday, December 11th, 2011 AT 7:33 PM

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Tiny
FIXITMR
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Did you scan for codes? Tranny shop can do it.
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Sunday, December 11th, 2011 AT 8:36 PM

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