Question about 2000 Jeep Grand Cherokee
Hey, I just had the same rpm surging problem... really bad all of a sudden over the last couple days. The check engine light came on today and it's idle changed from big time shaking to barely a pulse. Drove okay on the highway on our way to my favorite auto repair. A diagnostic showed that the third spark was dead and upon the advice of a senior mechanic - spark plugs were changed along with the coil. I dunno if that was smart on my part I could have tried just the plugs first. But I figured I have never changed any of these before and it is getting older. So with a new coil, spark plugs and minus $375 from my world - ... but it's running pretty well now.
Posted on Sep 13, 2008
I had the same problem and I found out that the battery was bad. since everything runs off the computer there wasnt enough juice to run both the car and the computer the jeep ran good after putting a new battery in it. so try this first before you spend a lot of money on a shop fix because they wont think about the battery being bad. they will want to replace everything but. hope this helps
Posted on Sep 15, 2008
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Posted on Jan 02, 2017
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