Question about 2000 Jeep Grand Cherokee

1 Answer

Engine Hunting When I start the engine it races before idling and rising again and when I stop in traffic the engine revs from 600 RMP up to 2000+ RPM. It is disconcerting as it is trying to drive all the time and it can't be doing the gearbox any good. I think it might be an air leak on the vacuum, but I can't see anything obvious. Do you have any ideas. Regards, Mike Jarvis

Posted by on

1 Answer

  • Level 2:

    An expert who has achieved level 2 by getting 100 points

    MVP:

    An expert that gotĀ 5 achievements.

    Champion:

    An expert who has answered 200 questions.

    Governor:

    An expert whose answer gotĀ voted for 20 times.

  • Expert
  • 232 Answers

GET AT DIAG. RAN ON THE VEHICLE, ITS THE ONLY WAY TO DETERMINE THE PROBLEM PAR

Posted on Aug 12, 2008

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

I have a 1997 Fiesta auto, runs fine apart from a slight gearbox issue. When starting from cold and selecting Drive the car will sit there for upto 5 seconds before moving away and will stall if the brakes...


I would be looking for a vacumn hose leaking. The cold engine needs a rich mixture and braking uses the vacumn booster causing the mixure to lean. A warm engine races with the extra air.

Feb 27, 2015 | Cars & Trucks

1 Answer

When i start the car the engine racces to 2500 rpm why?


This is normal idle control strategy, it races up to keep the engine from stalling out until it stabilizes, if it doesn't drop back to normal idle speed of about 600 RPM after a few seconds (longer on cold start up) then you need to have the electronics tested to see what the problem is.

Aug 08, 2012 | 2000 Mitsubishi Galant

2 Answers

Having issues with a 2000 chevy impala overheating have changed the radiator and the thermostat fans seem to be working ok but overheats at idle in stop and go traffic, after a certain amount of time it...


YOU NEED BLEED COOLANT SYSTEM.CHECK COOLANT LEVEL IN RADIATOR.ADD MORE DEXCOOL UNTIL COOLANT LEVEL IS CLOSE TO RADIATOR SPOUT.CRANK ENGINE LET IDLE UNTIL TOP RADIATOR HOSE GET HOT.WATCH TEMPERATURE GAUGE.IF TEMPERATURE GAUGE START RISING TO HOT ZONE.TURN OFF ENGINE.LET COOL DOWN.USE LARGE RAG SLOWLY OPEN RADIATOR CAP A LITTLE AT A TIME UNTIL ALL PRESSURE RELIEVED.REMOVE RADIATOR CAP.ADD MORE COOLANT.CRANK CAR AGAIN LET IDLE UNTIL TOP RADIATOR GET HOT.KEEP EYE ON TEMP.GAUGE ALSO.WHEN TEMP.GAUGE STOP CLIMBING.YOUR COOLANT SYSTEM BLED.WHEN DONE LET CAR SET A WHILE CHECK COOLANT LEVEL.ALSO FIRST THING IN THE MORNING CHECK COOLANT LEVEL AGAIN.AND BESURE ADD COOLANT IN THE OVERFLOW JUG TO THE COLD MARK.DONT OVER FILL THE COOLANT RESERVOIR JUG.WORK SAFELY DONT GET SCALDED.

Feb 15, 2011 | 2000 Chevrolet Impala

1 Answer

My 01 Accent cuts out on me when I come to stop and dash board lights up. But vehicle starts up with no problem. What causes the car to die?


It may be that the idle speed of the motor is set to low.A stick shift should idle at about 600-700 revs,an auto at about 750 revs.If the air con is used there is an idle/up device that brings the revs up a fraction because the air will make the engine idle slower.the problem may just be a small adjustment.Hope this helps

Sep 13, 2009 | 2000 Hyundai Accent

1 Answer

Accelerater problem 1997 Mecedes C 200 Elegance


hi,try to check the accelerator cable for free movement,or you may check the idle actuator spring or clean the idle actuator,ty

Mar 17, 2009 | 1997 Mercedes-Benz C-Class

4 Answers

At idle the engine revs up and down


engine lite on? would ck to make sure there is plenty of coolant in system. low coolant may cause idle hunting. also could have a vacuum leak or air intake restriction. ck air filter

Nov 30, 2008 | 2000 Volvo V70

2 Answers

Idle


the throttle position sensor may be bad or you may have a vacuum leak

Oct 15, 2008 | 2001 Ford Focus

Not finding what you are looking for?
2000 Jeep Grand Cherokee Logo

Related Topics:

186 people viewed this question

Ask a Question

Usually answered in minutes!

Top Jeep Experts

yadayada
yadayada

Level 3 Expert

60769 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

21949 Answers

Jeff Turcotte
Jeff Turcotte

Level 3 Expert

6811 Answers

Are you a Jeep Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...