Having problems with your 2000 Jeep Grand Cherokee ?

Help I have a 2000 Jeep Grand Cherokee Laredo 4x4. Recently, it started surging on me. While I am driving, the oil pressure gauge will go high then return to normal. While it is doing this, my RPM's go low and high. Any suggestions? I have had the spark plugs changed but, the guy told me it doesnt have spark plug wires. I have added injector cleaner, changed the air filter also. Maybe needs a fuel filter? Any suggestions?

Posted / edited by AnonymousUser on : 19-03-2018

Answers :

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. 
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
Repair Help & Product Troubleshooting for 2000 Jeep Grand Cherokee

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