what could be the reason my car won't shift into next gear without letting way off of accelerator?

1999 ACURA CL
150,000 MILES
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CHRIS COTTON
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when in drive with car accelerating when it should shift up the car will not shift, the rpm's increase car will shift into next gear when you let way off of the accelerator. Fluid level fine. fluid color fine no burnt smell no leaks. Problem was immediate no past warning signs such as previous slippage, etc.
Apr 26, 2012 at 1:19 PM
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FIXITMR
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no dash warning/fault lights on?
Apr 26, 2012 at 3:22 PM
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CHRIS COTTON
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check engine is on. ran diog. P-402 code. have EGR valve comming. FYI Light has been on several days. Comes back on after clearing. So ordered the EGR.
Apr 26, 2012 at 5:49 PM
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RASMATAZ
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Try cleaning the EGR valve and port and see what happens before you replace it
Apr 26, 2012 at 6:19 PM
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CHRIS COTTON
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Will work on the EGR. What about the shifting issue?
Apr 26, 2012 at 8:07 PM
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RASMATAZ
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The tranny is slipping have it further checked by a transmission specialist
Apr 26, 2012 at 8:09 PM