Jeep Grand Cherokee - Recent Questions, Troubleshooting & Support

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Why on both sides my lower break light won't come on? i changed both asseblies and the left side blowed the upper break light, i replaced it but still the lower on both sides won't work 2002 jeep gran

Return the vehicle to the Uhaul dealer and demand that they repair it. It is evident, by your description, that they bungled the job. If they refuse, contact the Better Bussiness Bureau in your area and have them contact Uhaul. Most Uhaul dealers do excellent work and they have a great reputation....so try and work with the rep and they will most likely fix it for you for free this time, since they didn't get it right the first time. Best Wishes
8/6/2022 7:00:56 PM • 2002 Jeep Grand... • Answered Yesterday
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Hi I have a 1996 Jeep Grand Cherokee. The muffler fell off. and looks like wires are hanging. The Jeep won't start.

Question edited for clarity and add some full stops and commas and stuff. That was one of the longest run-on sentences! Question moved to model category. Yes, the wires are probably from the o2 sensors on the Catalytic Converter but really could be from anything. Reconnecting them should fix the starting issue.
8/2/2022 6:50:54 PM • 1996 Jeep Grand... • Answered on Aug 02, 2022
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2004 Jeep Grand Cherokee. My key fob will lock the car but not unlock it?

Question edited for clarity. Question moved to Model Category. Take the fob apart and clean under the button with Switch Contact Cleaner spray. If that doesn't fix it, you need an auto electrician or an alarm installer to check operation of the fob to see it is is putting out a signal, and to check the modules that open the door and operate the security. A bi-directional scan tool computer is the only method to diagnose communication issues.
7/30/2022 7:29:56 PM • 2004 Jeep Grand... • Answered on Jul 30, 2022
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Transmission Slight Jerking When Slowing & Accelerating

Have you changed the trasmission fluid and filter in your jeep lately, if not do so and that just might stop the jerking in your jeep, and if that does not do the trick you will need to have your trasmission checked out by a trasmission shop.
7/27/2022 2:30:46 AM • 2005 Jeep Grand... • Answered on Jul 27, 2022
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Hunting for a cargo cover and original cargo area

Check here...

Cargo Cover for 1995 ZJ
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1. Link: Jeep Grand Cherokee Cargo Cover
If you can't find what you're looking for please email us ( [email protected] ) and we'll see what we can do for you.


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2. Link: Jeep Grand Cherokee Cargo Cover (eBay)


Cargo Carpet for 1995 ZJ
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1. Link: www.autoanything.com/cargo-liners


And, in a curious way, a user in this forum could not find the accessory use the idea of keeping a folding table in place of "cover".

Good luck.
7/26/2022 7:57:04 AM • 1995 Jeep Grand... • Answered on Jul 26, 2022
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1998 Grand Cherokee, 4L/6c.T Ticking sound in interior, passanger fuse box, # 7 culprit (20 amp, yellow; Ticking occurs without key in ignition, remove fuse ticking stops

I doubt its a short. a short to power would mean something is getting power besides through the fuse and your battery would die. I short to ground would cause the fuse to blow. my guess would be some device that is controlled by this fuse is malfunctioning. if you can try and unplug devices like the radio amplifier and see if the noise is removed. best of luck
7/15/2022 7:38:13 PM • 1998 Jeep Grand... • Answered on Jul 15, 2022
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2001 Jeep Grand Cherokee. What is this clicking noise?

Question edited for clarity. Please don't use abbreviations, and please put 'year make model' as the first three works. The other benefit is that the site scripting will put you in the correct model category. I moved it for you. :>D This noise is likely to be the Universal Joints on the drive shafts. They are covered in rubber boots, the boots split and that lets in water and road grit which in time causes wear. Take it in for diagnostics.
7/13/2022 4:08:46 PM • 2001 Jeep Grand... • Answered on Jul 13, 2022
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1995 Limited. Blower fan works. Why no hot or cold air output?

This might be a long shot but check behind your glove Box and see if you have a cabin air filter
6/23/2022 8:25:27 PM • Jeep Grand... • Answered on Jun 23, 2022
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2001 Jeep Cherokee XJ - won't shift?

Your dealership is spinning you a year to get you to pay for a new transmission. Tell you husband to get back underneath and look for pulled or damaged wires from the bumper job. Or call a transmission specialist. This is an electrical fault.
6/15/2022 4:15:58 AM • 2001 Jeep Grand... • Answered on Jun 15, 2022
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1999 Jeep Grand Cherokee Laredo stalls when put into drive, even after warming up.

Could be a dirty intake manifold and IAC valve. Spray some intake cleaner into the throttle body with the engine running to clean the system.
5/26/2022 12:59:15 AM • 1999 Jeep Grand... • Answered on May 26, 2022
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How can I reset my Factory Alarm on my Jeep it wont run

Alarm Module Reset Procedure
NOTE: This information applies to a Vehicle Theft Security System (VTSS) that was armed when the battery was disconnected and reconnected.
When the armed VTSS senses that the battery has been disconnected and reconnected, it enters its power-up mode. In the power-up mode the alarm system remains armed following a battery failure or disconnect. If the VTSS was armed prior to a battery disconnect or failure, the system will have to be actively or passively disarmed following a battery reconnection.
The power-up mode will also apply if the battery goes dead while the system is armed and battery jump-starting is attempted. The engine no-run feature will prevent the engine from starting until the alarm system has been actively or passively disarmed.
Passive disarming of the Vehicle Theft Security System (VTSS) occurs when the vehicle is unlocked using the key to unlock either front door or the lift gate. Active disarming of the VTSS occurs when the vehicle is unlocked by depressing the Unlock button of the Remote Keyless Entry (RKE) transmitter.
Once the alarm has been activated (horn sounding, lights flashing, and the engine no-run feature), either disarming method will deactivate the alarm.
Depressing the Panic button (if equipped) on the RKE transmitter will also disarm the VTSS, but the horn will sound and the lights will flash for about three minutes as part of the Panic feature. The horn and lights can be stopped by pressing any of the RKE transmitter's buttons or driving the vehicle above 15 mph.
5/19/2022 4:21:48 AM • 1999 Jeep Grand... • Answered on May 19, 2022
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Radio works but the clock/channel does not light up.

It sounds like the radio is defective, but check the fuses that power it 1st, if they are all ok then you can get a used working radio on Ebay, have bought them there myself with no problems, cost was reasonable.
5/18/2022 9:54:28 PM • 1995 Jeep Grand... • Answered on May 18, 2022
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Delay in startup

if the engine turns over but just dont fire up it sounds as if the fuel pump is losing prime ....have the fuel pressure tested...you may need to leave it overnight so the shop can test it first thing...the pump may be going bad
5/8/2022 9:20:31 PM • 2000 Jeep Grand... • Answered on May 08, 2022
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I have a 97 jeep cherokee that stalls and

It's not possible to pinpoint, with just online info, what is causing the backfire, but if it blew your muffler open, the engine is definitely dumping raw fuel into the exhaust. Look into what can cause excessive fuel to be dumped into the exhaust and you may find the cause of your problem.
5/7/2022 6:30:16 PM • 1997 Jeep Grand... • Answered on May 07, 2022
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Wiring issues with 94 jeep Grand Cherokee Laredo

i got a 94 and mine did the same thing. turns out it had a bad fuel pump relay and a bad asd relay. i switched the horn and asd relays with them and it worked like a charm. give it a try, it cost nothing. all those relays are the same
5/7/2022 6:51:29 AM • Jeep Grand... • Answered on May 07, 2022
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1996 Jeep Cherokee 4.0 MPI.

Hi,

Lets start with technical bulletin how to determine whether fuel pressure regulator is at fault or not :-

FUEL PUMP PRESSURE TEST - ALL ENGINES WITH PRESSURE TEST PORT

Use this test in conjunction with the Fuel Pump Capacity Test, Fuel Pressure Leak Down Test and Fuel Pump Amperage Test found elsewhere in this group.

Check Valve Operation: The electric fuel pump outlet contains a one-way check valve to prevent fuel flow back into the tank and to maintain fuel supply line pressure (engine warm) when pump is not operational. It is also used to keep the fuel supply line full of gasoline when pump is not operational. After the vehicle has cooled down, fuel pressure may drop to 0 psi (cold fluid contracts), but liquid gasoline will remain in fuel supply line between the check valve and fuel injectors. Fuel pressure that has dropped to 0 psi on a cooled down vehicle (engine off) is a normal condition. When the electric fuel pump is activated, fuel pressure should immediately (1 - 2 seconds) rise to specification.

All fuel systems are equipped with a fuel tank module mounted, combination fuel filter/fuel pressure regulator. The fuel pressure regulator is not controlled by engine vacuum.

WARNING: THE FUEL SYSTEM IS UNDER CONSTANT FUEL PRESSURE EVEN WITH THE ENGINE OFF. BEFORE DISCONNECTING FUEL LINE AT FUEL RAIL, THIS PRESSURE MUST BE RELEASED. REFER TO THE FUEL SYSTEM PRESSURE RELEASE PROCEDURE.

1. Remove protective cap at fuel rail test port. Connect the 0 - 414 kPa (0-60 psi) fuel pressure gauge (from gauge set 5069) to test port pressure fitting on fuel rail
2. Start and warm engine and note pressure gauge reading. Fuel pressure should be 339 kPa ± 34 kPa (49.2 psi ± 5 psi) at idle.
3. If engine runs, but pressure is below 44.2 psi, check for a kinked fuel supply line somewhere between fuel rail and fuel pump module. If line is not kinked, but specifications for either the Fuel Pump Capacity, Fuel Pump Amperage or Fuel Pressure Leak Down Tests were not met, replace fuel pump module assembly.
4. If operating pressure is above 54.2 psi, electric fuel pump is OK, but fuel pressure regulator is defective. Replace fuel filter/fuel pressure regulator. .
5. Install protective cap to fuel rail test port.

Now,

The fuel pressure regulator is part of the fuel pump, it is in the fuel tank.

On this vehicle the regulator is part of the pump and not serviceable separately so if the regulator is bad the whole pump assembly will need to be replaced.

Good Luck!!

Thanks!!
5/7/2022 5:57:06 AM • 1996 Jeep Grand... • Answered on May 07, 2022
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1996 Laredo. Why doesn't it shift into third or overdrive?

try adjusting the throttle pressure cable located at the throttle body. push in the clip that holds it, remove floor mat on drivers side and fully depress the gas pedal (engine off of course) then release the pedal. the clip should go back to lock position. all this is on the assumption you have the Asian warner aw4 transmission but the procedure is similar for the chrysler trans also
5/7/2022 5:51:35 AM • Jeep Grand... • Answered on May 07, 2022
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