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My rpms in my grand jeep cherokee 98 is rising but won't speed up past 20 mph

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  • Cars & Trucks Master
  • 5,680 Answers

Could be clog catalytic con.

Posted on Apr 24, 2013

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6ya6ya
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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: 99 Jeep Grand Cherokee Laredo

Hi Guys!
I work in a transmission and torque converter remanufacturing plant and have seen this many times! I hate to tell you that your transmission is shot! There is metal in the fluid and some of it got caught in a solenoid not letting fluid through to shift the gears. You will need a rebuild! About $2500 dollars. Of course if you in Pittsburgh, Pa. area I could do it for about half that. Any questions e-mail me at mach1cnc@msn.com

Posted on Nov 17, 2008

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SOURCE: 2004 jeep grand cherokee idling problem. Revs motor 200 to 500 rpms higher while driving.

I had the exact same problem on my 04 GC. I put some Techron Concentrate Plus Fuel System Cleaner in from Wal-Mart and it seemed to fix the problems right away. Let me know.

Posted on Jun 01, 2009

  • 6982 Answers

SOURCE: 94 jeep grand cherokee laredo v8 5.2l automatic.

You can check fluid level by removing the rubber plug in the cover. Fluid is full when on level ground, it is just at the edge of the hole (or very close) if you are already getting noises out of there, you can remove the cover and inspect gears for wear or breakage. If you find a large amount of metal debris in the lube it tells you something bad is going on back there. Although rebuildable, it's not a home job...requires exact settings in order to operate properly. You can find good units far cheaper than even a gearset costs in any scrapyard. to match ratio, count the teeth on the ring gear and the pinion gear. the replacement MUST have the exact same number. Before swapping diffs, check all back there to make sure noise is not from somewhere else.

Posted on Jun 20, 2009

Clay88
  • 10 Answers

SOURCE: 98 Jeep grand cherokee limited 4.0 auto gearbox shift down

Throttle position sensor

Posted on Nov 20, 2009

  • 1 Answer

SOURCE: 98 Jeep Grand Cherokee Power Door Lock Problem

I have a 1996 Grand Cherokee - the same problem, except my interior lights flash on and off at the same time. Did you get your problem solved?

Posted on Feb 06, 2010

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sounds like you have either clogged injectors or a bad tranny also you have a governor that wont let your rpms go over a certain number of revolutions this is to prevent the engine from seizing

Oct 06, 2009 | 1994 Jeep Grand Cherokee

1 Answer

2004 jeep grand cherokee idling problem. Revs motor 200 to 500 rpms higher while driving.


I had the exact same problem on my 04 GC. I put some Techron Concentrate Plus Fuel System Cleaner in from Wal-Mart and it seemed to fix the problems right away. Let me know.

May 31, 2009 | 2004 Jeep Grand Cherokee

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