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Feels like it is slipping gears while driving the tachometer goes haywire and transmission does not catch up to the RPMs?

Tiny
RUTHANN FONTAINE
  • MEMBER
  • 2004 JEEP GRAND CHEROKEE
  • 4WD
  • AUTOMATIC
  • 90,000 MILES
It will reach high or very low rpms before it shifts. I don't know if this matters, but my vehicle listed above is a trail rat Cherokeeted edition, 4 wheel and Quatro drive.
Wednesday, April 26th, 2023 AT 3:24 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
The first thing to do is to check the level of the transmission fluid which this guide can help with.

https://www.2carpros.com/articles/how-to-check-and-add-transmission-fluid

Next, I would run the codes to see what comes up, I have seen a bad MAF sensor or clogged exhaust system cause late shifts.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

This guide may help as well:

https://www.2carpros.com/articles/automatic-transmission-problems

Please go over these guides and report back.
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Thursday, April 27th, 2023 AT 2:03 PM

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