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One or more cylinders is probably not firing. It's like ceiling fan turning 2000 RPM with one blade missing. Check for spark on all your plugs.

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Q: Why does your engine shake a lot when accelerating?
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What would cause a 95 blazer to shake when execrating?

There are several things that can cause your 1995 Chevrolet Blazer to shake when accelerating. Bad spark plugs and spark plug wires can cause the vehicle to shake. Tuning up the engine may eliminate the problem.


What causes a 97 Buick Le Sabre to have a strange shake when accelerating but goes away when you let off the gas?

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What could have happened while taking a corner at a high speed to cause a 1986 Oldsmobile Cutlass 305 to shake badly when accelerating and while in neutral?

Check for a busted engine or tranny mount.


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