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2000 Grand, Grand, Grand Cherokee 4.0. RPM's surge 200-300
Grand Cherokee 4.0. RPM's surge 200-300 rpm at driving speed. No surge at idle or changing gears. Changed trans fluid and filter. Same problem. Changed brake light switch (saw in another post as potential problem with torque converter may be the issue) but still same problem?? … read more
Chris
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Good Morning all. working on 99 cherokee sport 4.0. 205,000 mi barn find for a customer. upon start up if you let it sit and idle it will run fine then the idle will start slowly dropping. it sounds l… read more
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Roy
Roy
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I have a 98 Cherokee sport with a 4.0L. The problem is
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Virtual Wrench
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sprinkles08
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Dan
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sprinkles08
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I have a 1998 Jeep Wrangler that runs rough and backfires when
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sprinkles08
sprinkles08
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sprinkles08
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sprinkles08
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2000 Jeep Cherokee: slow down..it throttle..hesitates..backfires
I have a 2000 Jeep Cherokee 4.0 inline six. Problem: After reaching normal operating temp, the engine will not idle correctly. When I stop, or slow down the rpms drop to 300 then suddenly will go back… read more
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sprinkles08
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sprinkles08
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Hi 99 4.0 auto cherokee start up idle a little crappy drives fine. drive untill hot say 30mi park go into store say 20min come out starts fine start to drive starts bucking and surging and poping in i… read more
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2002 jeep grand cherokee: new fuel pump..when i le it warm..vibrates
My 2002 jeep grand cherokee died on me the mechanic put a new fuel pump and filter. since i have had it back it has died on me twice. when i le it warm up the rpm gauge fluctuates up and down very fas… read more
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Meet the Experts:

Chris

Chris

Shop Foreman

3,578 satisfied customers

Jeep Certified Master Tech

Mark

Mark

22 Year Factory trained technician

2,649 satisfied customers

Jeep factory training........25 years in the industry.

Dave

Dave

Jeep Master Tech

1,149 satisfied customers

Chrysler Triple Master, ASE master Tech AA degree in Auto.

moparfl

moparfl

ASE Certified Technician

1,130 satisfied customers

ASE Master Tech Chrysler Dodge Jeep Master Tech

Tim Mohr

Tim Mohr

ASE MASTER TECH

1,052 satisfied customers

30 YRS EXPERIENCE, FOREIGN AND DOMESTIC, GAS AND DEISEL

Ron Z.

Ron Z.

- Jeep Tech -

641 satisfied customers

18+yrs experience. State Inspector & Jeep Diagnostics/Repair

jeepmopar76

jeepmopar76

Jeep/Chrysler Triple Master Tech

579 satisfied customers

32yr ASE Master Tech, 9yr Chrysler Master Tech, 19 yr Jeep Dealership service including AMC/Eagle

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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