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2000 Jeep Laredo ENGINE DIEDS BY IT SELF WITHOUT WARNING

Tiny
HEDESI
  • MEMBER
  • 2000 JEEP GRAND CHEROKEE LAREDO
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
I NOTICE LIKE THREE MONTHS AGO THAT ENGINE SHAKES A LITLE, SO I DID A TUNE UP, OIL CHANGE BUT DID NOT SOLVE THE PROBLEM
NOW WHILE I AM DRIVING, MOSTLY LIKE AT 25 -35 MILES/HR SUDDENLY ENGINE STOPS NO LIGHT GOES ON BEFORE. RIGHT AFTER IT GOES ON AGAIN WITHOUT A PROBLEM, ONLY SOMETIMES TAKES FEW TRYS TO START AGAIN, ALSO STOPS WHILE I WAITING AT A STOP LIGHT.
LATELY THEY CHANGE A "CRUNK SENSOR" AND THE GAS FILTER. ENGINE STILL SHAKE AND WHEN THE ENGINE IS IDLE FEELS LIKE IT IS GOING TO STOP AGAIN. AT SPEEDING ENGINE GOT POWER.
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Tuesday, August 19th, 2008 AT 4:28 PM

1 Reply

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
You may have a vacuum leak, get a can of spray gumout, spray the vac lines and maniflod area, when the idle changes, youve found the leak! You want the engine running and spray on the outside but do direct the stream onto the hoses, if it is a vacuum leak, the engine idle will change speed, then you have detected a leak, repair the vacuum leak and see how it runs! If that doesnt do it, you may need a new idle air control valve, it's bolted to the throttlebody
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Tuesday, August 19th, 2008 AT 4:47 PM

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