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L6-4.0L

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Check gauge light coming on
Generally, the check engine light comes on when something fairly serious is going on with the vehicle. This can happen for many different reasons such as a faulty mass air flow sensor, a faulty O2 sensor, a bad catalytic converter,...
Question
My brake lights work when my lights are off but do not work when I turn my lights on. My tail lights work when lights are on.
It sounds like you may have a fault at the brake light switch circuit which controls a number of things in the vehicle. This switch indicates when the brake pedal is pushed and triggers the brake lights to come on....
Question
My harmonic balancer isn't going on all the way on my 95 Jeep Grand Cherokee Laredo
Hi Rue. Thanks for contacting us tonight. There are a few reasons why the harmonic balancer will not fit. First, if the wrong replacement component was purchased. Second, if the area was not properly cleaned and excessive debris exists, or...
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Loose/Wobbly steering wheel
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Jeep stalls when driving on bumpy roads
Hi Hunter. Thanks for the question today. A random stalling issue like you've described can be caused by loose electrical connections - but knowing which ones for certain would require an onsite inspection. It's also possible that fuel system obstructions,...
Question
Radiator blown vehicle shuts off immediatly
Your vehicle has a coolant level sensor but that sensor does not function as an "interrupt" device. All it does is report if the coolant level is too low. The cause of the shut-down could vary from sensor damage (sometimes...
Question
Exhaust Manifold Repair
In some cases, depending on the specific location of the crack, the depth and length of the crack, this may or may not be repairable. I would suggest taking the manifold to a machine shop to have it inspected to...
Question
Jeep starts fine but then won’t move. Only rev. Only happens when it sits overnight. I have a Jeep Wrangler, 112000 miles
Hi Meagan. Thanks for contacting us today. Usually when you can shift into reverse, but the car will not go forward in drive, then it's caused by a damaged shift solenoid or internal transmission problems. An obstruction of debris inside...
Question
1997 jeep cherokee 4.0 was cranking no start then had difficulty then stopped cranking.
If it is not cranking now, the battery could be dead and/or the starter motor has overheated. Starters draw a lot of current and so run time has to be kept to a minimum. As far as the earlier no...
Question
I have a 1999 jeep Cherokee XJ that idles fine but when I accelerate it spits and shutters. Any ideas?
Check engine compression and intake vacuum to first rule out possible mechanical problems such as stuck or leaking valves. Among the causes of poor acceleration are clogged fuel injectors and/or inadequate fuel pressure/volume. When an injector is clogged it can...
Question
My 2002 jeep Cherokee will start but it will shake for a long period of time then it will shut off what does that mean and also my
With 295,000 miles on the engine, a compression test should be performed to see what the engine's overall mechanical condition is. If valves are leaking, for instance, that can cause, or contribute to, the rough operation and stalling. If the...
Question
Don't know how to put the belt on the Jeep Grand Cherokee 1997 without the right tools
If you do not have the serpentine belt tensioner tool then you can use a socket and ratchet to move the tensioner to get belt off and on. If you still have problems then see professional assistance from a mechanic...
Question
1996 Jeep Cherokee cranking but no spark
Hi Charlie. Thanks for sending in your question today. In cases where multiple parts have been replaced, more often than not, the starting problem is due to something incredibly small but vital - such as a loose ground wire or...
Question
My 95 Jeep Grand Cherokee shakes when you just sit. Drives great but done know what's wrong any help would be appreciated
Vibration at idle is due to either faulty motor mounts or an engine management issue such as faults in the ignition or fuel system, although on high mileage engines uneven cylinder compression can be a cause. You note loss of...
Question
Have a 2004 jeep wangler it will not shift
Thank you for writing in. If the vehicle is shifting and working in reverse but not drive, you have an issue with the transmission or the linkage. You will want see if the gear selector is changing the positions on...
Question
Why won't my parking brake hold after rear rotors and pads were replaced?
The parking brake system is an entirely separate system from the main brakes in your vehicle. The parking brake is operated by a cable that runs to a brake drum system that is not controlled or impacted by your regular...
Question
check engine light with oil leak
Hi John. Thanks for contacting us today. Oil in front of the motor, near the crankshaft pulley, is often from the front crankshaft seal. Although this is not normal, it is common with an engine 20 years old. I'm not...
Question
leaking lower radiator hose at shut off
The leak will not be resolved by a coolant flush. To resolve the leak, please schedule service using YourMechanic's coolant leak diagnostic and repair service page. During the same visit, the mechanic can deal with the reserve tank fault that...
Question
Car won't start up after changing injectors
Hi there. Thanks for contacting us tonight about your Jeep Grand Cherokee's starting problems. In most cases, sticking with the OEM replacement parts will produce the best results. This is especially true in regards to fuel pumps and fuel injectors....

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