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Old 04-13-2010, 05:07 PM   #1
tiptons.garage
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Unhappy 97grand cherokee trans issue

Hi new to this but here goes. 97 grand cherokee auto trans. after 20 30 miles it will down shift on its own and after a few miles it will go back into higher gear. any ideas
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Old 04-13-2010, 10:19 PM   #2
Saudade
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Re: 97grand cherokee trans issue

Yes 2 ideas.

1. Check your throttle position sensor.

2. Post this in the Grand Cherokee forum. They would be more familiar with this.
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Old 04-14-2010, 05:19 PM   #3
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Re: 97grand cherokee trans issue

I'll move this over to the Grand Cherokee forum for you.

The CPS (crankshaft position sensor) can also cause odd shifts.
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Old 04-19-2010, 10:59 PM   #4
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Re: 97grand cherokee trans issue

from my recent experience i can almost put it on the throttle positioning sensor. put your multi meter to use and test the sensor.
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