Question about Jeep Grand Cherokee

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When I start my 2000 grand Cherokee it reeves up over 4000 rpm what can cause this

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Can be a dirty idle air control stepper motor plunjer and air canal, but most probably the TPS is going bad (throttle position sensor)

Posted on Jun 16, 2014

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 2000 grand cherokee overheating heater blowing out cold air

Generally this condition is the result of coolant loss, or failed thermostat. If coolant goes below cylinder head level, or thermostat remains closed,heat will stop working. Do not drive with this condition as excessive heat buildup in cylinder head can and will do serious damage to heads and or head gasket.
Find out where leak is and correct it. Change thermostat as it may also be damaged. Check for excessive steam from tailpipe or miss in engine, as these symptoms indicate a cylinder head problem.

Posted on Jan 03, 2009

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SOURCE: 02 Grand Cherokee High RPM start. Cuts out when driving

Ckean throttle plate inside throttle body...They tend to get dirtier than their counterparts in carbureted engines due to lack of fuel spray that kept them clean. If no luck with that, clean idle air control valve on TB. When doing this, don't turn the plunger, just clean with carb spray and replace. do not loose "o" ring seal.
Good luck

Posted on Mar 20, 2009

goody2shoe
  • 109 Answers

SOURCE: 2000 Grand Cherokee Jeep RPM and Speedometer not working

Before buying a new battery ...have your electrical system checked ...usually about 35 to fifty bucks or so ...worthy it ....instead of buying some thing you don't need ....like a battery ,alternator ...good luck
If you still are having problems let me know ...Joe

Posted on Jan 08, 2010

drsinister69
  • 2317 Answers

SOURCE: What will cause a Clacking/Clicking noise coming

It maybe a loose heatsheild on the manifold, converter, or underbody heatsheild.

Posted on Jun 03, 2010

  • 1 Answer

SOURCE: 2000 pontiac grand am 3.4

Hi Tom,Did you ever figure out what the problem was? My Alero with the same 3.4 motor is doing the exact same thing between 3000-4000 rpm while driving sometimes. Mine won't rev in park over 4000 either, but I think they are all like this.
Thanks,
Mitchell

Posted on Jan 13, 2012

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My problem is reeving system in jeep grand. Cherokee its not reeving


Jeep grand cheerkee.
what year.?
which of 3 engines> or more>?

my guess is revving , means, (its good word)
means, car dont move?
the transmission slips? (engine RPM rises fast , but car does not accelerate in the same proportions)
or the RPM fail to rise, that means the engine Lacks power
those 2 are polar opposites.
engine problem
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Rpm hand not working in my 2000 jeep grand cherokee limitied edition


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2000 pontiac grand am 3.4 motor auto trans 4 door.Car starts and drives okay motor seems to stumble slightly between 3000-4000 rpms. with car stopped in park try to rev motor will only go between 3200-4000...


Hi Tom your vehicle is equipped with a Rev limiter it will not allow you to rev the engine above 4000 with the trans in park; as for the first problem you may have one of two things, one of the spark plugs or spark plug wires is bad or you have a flat spot on the throttle positioning sensor in which case have be replaced. Good luck?

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2000 Grand Cherokee Jeep RPM and Speedometer not working


Before buying a new battery ...have your electrical system checked ...usually about 35 to fifty bucks or so ...worthy it ....instead of buying some thing you don't need ....like a battery ,alternator ...good luck
If you still are having problems let me know ...Joe

Jan 08, 2010 | 2000 Jeep Grand Cherokee

3 Answers

I have a 99 jeep grand cherokee ltd, 4.0 L, 6cyl, auto, 4wd, 87000 miles. My problem is that on the first start of the day and when the engine is cold, the transmission wont shift from 2nd to 3rd until...


I'd begin by having the trans fluid changed and making sure there isn't an excessive amount of debris in the pan (there is always some but should not be obviously a lot) You may have a slight varnish buildup inside that becomes less sticky as the internal temp rises.

Jul 16, 2009 | 1999 Jeep Grand Cherokee

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