when my car reaches the speed of 20mph the car jumps forward but not the speed what could be the problem

2001 PONTIAC GRAND AM
93,333 MILES
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AMYK1022
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when you get to that speed the car makes your neck fly back like your going 70 mph like a big push of gas went threw
Dec 28, 2011 at 3:49 PM
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SATURNTECH9
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So the transmission is shifting hard?Have you checked for codes yet?
Dec 28, 2011 at 4:02 PM
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AMYK1022
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yes and no i havent but is that a bad thing ??
Dec 28, 2011 at 4:04 PM
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SATURNTECH9
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Yes its a bad thing if you let your transmission shift that hard it destroys the transmissions on those cars.Which engine do you have?
Dec 28, 2011 at 4:13 PM
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AMYK1022
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2.2 and i just bought it yesterday i called the guy and he said he cant get me in till maybe friday and i need to drive that till friday for work and my kids stuff do you think it would be ok till then
Dec 28, 2011 at 4:20 PM
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SATURNTECH9
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I have seen a lot of bad pressure control solenoids so let me know what they find.I cant comment of if it will be ok because i dont know it all depends on how long its been shifting like that.I would drive it really easy though.
Dec 28, 2011 at 8:51 PM