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Jeep Grand Cherokee Questions

Get answers to questions about your Jeep Grand Cherokee at RepairPal. Find solutions, diagnose problems and get back on the road.

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1,938
questions

Is this physically possible, and what would it cost? I would accept a 2WD with non-drive axle free-wheeling if 4WD is not feasible or cost effective.

I have very little power when i step on the accelerator.

my Jeep has very little power when i step on the accelerator. I was told it is the input speed sensor. What is that and how much will it cost to replace it?

Have checked wiring, but still no solution found.

Still the check engine light does not clear still states miss fire on #5, what next? Is it the fuel injector for #5?

The fan is not coming on as the engine gets hot. I have replaced the thermostat, the radiator cap, flushed the radiator, and both relays are good. What else could be causing the fan to not come on. The fan spins by hand.

I replaced the battery and I still have starting problems / starts when jumped
but won't start afterwards / cleaned neg battery cable but no luck / can you help?
This has been happening fort a few weeks

either have a lifter bad or rod bad, what is the cost to replace either? Do not want to replace the motro, need to get thru the winter with it.

for couple of days didn't want to start right up, then it died while driving turning a corner and after sitting 30 min finally fired up ,but while trying to start it there was strong smell of gas coming from tail pipe. A day later it wouldn't fire over at all "crank no start" now after messing with it spraying wd40 while cranking it over it starts"ruff" but then keeps clean steady idol. Also have some interior electrical issues when turning my steering column clicking under dash with blinking lights, could electrical have anything to do with my "crank no start"?

First time this happened I was driving a trailer from PA to TX. I just got into Texas, it was very hot, and the Jeep started bucking violently. Engine light went on. I found a Jeep dealership, they read the codes. I forget which cylinders and injectors came up. 1 guy told me is was serious, another guy was awesome, he said I could safely get home 7 more hours. I let the car cool down, it got me home.

Since then my Jeep has been to 5 repair shops since August 2016 with multiple misfires (bucking), each time a code comes up it is a different set of cylinders/fuel injectors.


What I can do to cause the car to buck.


Hot day
AC on while towing a trailer up a hill

Mis/bucking starts at 60 mph. I can get it to stop by backing off gas. If the engine cools down it will also help. If the AC is off it helps too.

Even the hot day and AC will not always create the problem.

One shop did fuel cleaners, fuel kit, new plugs, new air cleaner, it improved mpg, but did not fix problem.

The car has been in 2 shops for 2 weeks with them trying to replicate the problem.

Anyone out there have similar problem?

4.7
160,000

Thanks for any help.

smoking after driving for 5 minites

fluxuate about 250 up and down while idling and driving most of the time, not just when the faults are showing.

Did not disconnect battery.

Removed the fan shroud.

Removed the serpentine belt (I did remove 2 pulleys to alternator and the one to the right and put them back on. Not sure if this would throw anything off?)

Removed old water pump by taking out all bolts (I think there were 7 total), disconnecting rubber hose containing radiator fluid to the left and rubber hose on top of water pump, and metal hose to the right (unsure what this was).

Connected new water pump and reconnected all hoses and bolts.

Put on new serpentine belt.

Put fan shroud back on.

When I went to go crank the engine, ignition cranks, but will engine will not start. I used jumper cables from my other car, but it seems it won't hold and dies really fast.

----

I did some research online, and saw some people saying that I could have messed up the timing? Is this correct?

Losing power fast, did I mess up something with the alternator?

Any help would be great. Thanks.

What can I do to find out the solution an source of problems

runs worse or just a bad. Has a bad miss. Compression on cylinder ok. driving me nuts.

The connecter to my fan relay, that connects to the fan relay not the relay itself but the connector to the relay keeps burning up

The nut that holds the rotor inplace

I have had it put on a tester. It read that it needed a map sinser, and both oxy. Sinsers's.The Jeep is loud motor wise. Kinda sounds like its working two or three times harder then it should be. Im sure getting the above items fixed will most surely help but is there anything else it could be?!?

instrument cluster started working intermittently. car still ran normal.disconnected battery checked all connections fuses to see if clean and tight.connected battery starts right up every time runs for four seconds shuts down do not have security key system

Steering wheel casing has a sticky glue like substance all over the steering wheel

Hi, I took my jeep to change the lights for HID lights and had my windows tint, when they finish with my car I was about to leave and when I started the car the AC and Screen were like the car was off, all blank and the check engine light was on.
They put the scanner and these are the codes that came up:
UO100
UO121
UO140

Please help me!!

Original radiator has no hook up for transmission cooler lines, all replacement radiators have them. Checked all part stores and they all call for the same replacement part with the ports for tranny lines, how do i remedy this problem?

Problem is it feels like it's hesitating at speed going up hill. Will not down shift. It will manually or under passing conditions.

That jeep cranks over but won't start

My front doors the power locks only work some times. I can hear the moter engage but they dont always move. Using the key works fine.

I crossed a road that was a bit deeper then expected. Soon after my car cut out. It cranks but I have no gages on the dash not even the amp gage and I know it has battery because it still cranks. I removed the coil wire and it is getting no spark from the coil

The gl;ass still unlocks and will open but the rest of the trunk doesnt

The factory alarm should turn off when you unlock all the doors by hand but it does not

I want to use my car to haul a 3200 lb travel trailer. Will this overtax my transmission or will this work?

I turn my engine off and my car continues to run.