engine vibration

Sep 13, 2007 3 Replies
A
91' NISSAN 240SX. Engine just started vibrating at idle and when giving it gas. It kinda smooths out as the RPMs get higher. No noise at all other than the vibration. It rocks back and forth from left to right. Can't see anything visually that would cause this.

Does anyone have an idea of what it might be?



I'm thinking one of the spark plugs is bad and causing one of the cylinders to mis-fire.



Any help would be appreciated.


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J

I think you might be right. It might be running on three cylinders. Could be plugs or wires.

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W

on 9/13/2007 7:25 PM Ann said the following:

That's only one reason. Bad plug, bad wire, bad injector, dirty gas filter.

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