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Old 08-19-2007, 02:17 PM   #1
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Thumbs down 1992 Wrangler Is Shaking

This afternoon, I started up my car. Immediately, the car began to 'shake' left and right. Not 10 seconds later, the "Check Engine" light came on.
I've had this problem before. Probably a month or so (maybe longer) ago, I got 100ft out of my garage when it began this shaking. Both my dad and I smelt gas and thought one of the cylinders wasn't firing. So, we replaced the distributor cap as well as all the spark plugs. Since then, it had been running fine---until today. I'm at a loss of what it might be. I was hoping to get assitance from Jeep Vets before I poured some cash into a garage looking at it.

Any and all help is welcome. Thanks!

Please Note:
I looked at the sticky about 'Death Wobble.' Seems to me that DW occurs while in motion. My Jeep is shaking just sitting there.

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Old 08-19-2007, 05:10 PM   #2
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Death Wobble is a suspension issue, you have an engine problem.

Did you ever figure out what the codes where from the check engine light? You can find out by cycling the ignition switch(key) to the on position 3 times.

Put the key in the ignition and turn it to the ON position, do not start it. Then turn it OFF and back to ON, and once more leaving it in the ON position. This will make the check engine light flash a sequence. Write down the dumber of flashes and come back.

flash flash.... flash : that would be a 21

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Old 08-19-2007, 05:43 PM   #3
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If you changed the spark plugs and the distibutor cap and that fixed it previously. I would definently check the spark plugs to see if one is fouled. most likley that is your prob. -Aaron-
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Old 08-20-2007, 11:41 AM   #4
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I'm surprised nobody has yelled at you yet....You own a Jeep...not a car I just had to get that out.

Now, I would definately have a look at those plugs. They will tell you what is going on inside the engine. If you are fouling plugs on a regular basis you have a bigger issue to find.
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Old 08-20-2007, 06:50 PM   #5

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You mentioned plugs and cap but what about your plug wires? Unplug your hood light and open it after dark when it is doing the shake. You will see which wire is bad and I have gotten a defective set of wires before.
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Old 08-21-2007, 05:53 PM   #6
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First and foremost, I would like to apologize for referring to my Jeep as a "car." It will not happen again =)
Second, the wires have been changed. When I said distributor cap and plugs, I guess I just considered the wires to be a given-sorry.
Finally, I did try the thing where the dash tells me what's wrong. I'm hoping the example you gave me was nothing to bad (flash flash....flash) because if I examined it correctly (and I think I did 'cause I did it 3x to be sure) then that is exactly the problem with my Jeep.

So...where do I go from here?
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Old 08-21-2007, 07:42 PM   #7
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A code 21 is a bad O2 sensor, but that has no effect on the motor until its at normal operating temperature. So I don't really know.
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Old 08-21-2007, 08:54 PM   #8
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Hm...Maybe I'll check again.

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