2001 Pontiac Aztek hard shifting

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Lesfry86
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Joined: Wed Jul 02, 2014 10:50 pm

2001 Pontiac Aztek hard shifting

Unread post by Lesfry86 » Thu Jul 24, 2014 3:02 pm

I have a 2001 Pontiac Aztek that shifts hard thru the gears It only does it if I stay sitting in one spot with the motor running for more then 3 or 4 min then when I take off it starts to shift hard it will stop once I turn the car off for a min or two then will drive fine until I stay sitting and running again then it's starts again any ideas would be appreciated! Thanks


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carriedi
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Re: 2001 Pontiac Aztek hard shifting

Unread post by carriedi » Fri Jul 25, 2014 11:59 pm

your check engine light is not on is it?
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Lesfry86
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Re: 2001 Pontiac Aztek hard shifting

Unread post by Lesfry86 » Tue Jul 29, 2014 9:05 am

Yes but the only code that is putting out is for one of my O2 sensors

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carriedi
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Re: 2001 Pontiac Aztek hard shifting

Unread post by carriedi » Tue Jul 29, 2014 10:06 am

when the check engine light comes on the computer knows there is a code stored and won't run normally. See if fixing the things that the check engine light is on for and clearing the codes in memory doesn't take care of your hard shifting problem.
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Lesfry86
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Re: 2001 Pontiac Aztek hard shifting

Unread post by Lesfry86 » Thu Jul 31, 2014 6:06 pm

Well changed the o2 sensor lite went away still shifts hard when it sit while running for more then a 3 4 min?

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carriedi
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Re: 2001 Pontiac Aztek hard shifting

Unread post by carriedi » Thu Jul 31, 2014 9:51 pm

you may want to see is the TSB# 00-07-30-002b dated july 2002 may be a concern for your trans. It talks about the pressure control solenoid assembly. but it also says it's related to codes p1811 and/or p0758. harsh upshifts, garage shifts, launch, slips, flares, erratic shifts...
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