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Poor performance and lack of power can be caused by many things and you'll need to figure out what is going on.

Some of the more common are:

* improper ignition timing * damaged or worn out sensors * poor compression * worn or fouled sparkplugs * dirty air cleaner But it's relatively simple to check some of these. First, look at the air cleaner, maybe you can just replace it and everything will be fine.

Next, connect an engine diagnostic scanner to see if anything simple is wrong. The scanner can point out a lot of problems that the computer can detect.

After that, run a compression test. If the engine has low compression you won't be able to get much performance out of it. When you are checking the compression, examine the plugs. If they're fouled or the electrodes are excessively worn it might be a good time to replace them.

Good luck.

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17y ago

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