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Old 09-03-2008, 03:49   #1 (permalink)
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low compression?

What are some symptoms of low compression?
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Old 09-03-2008, 17:20   #2 (permalink)
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Re: low compression?

A low reading on a compression tester :) Generally a loss of power but it somewhat depends on the source and the amount of the loss.
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Old 09-04-2008, 12:13   #3 (permalink)
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Re: low compression?

I'm experiencing a rough idle accompanied by a flashing engine light. The mechanic says that the car tests low compression and there is some valve that is busted.
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Old 09-04-2008, 12:51   #4 (permalink)
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roll Re: low compression?

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Originally Posted by Taurus724 View Post
What are some symptoms of low compression?
my opinion you have to check piston rings
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Old 09-07-2008, 09:28   #5 (permalink)
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Re: low compression?

Valves that don't seat properly will give poor compression. It's generally a carbon build up issue, or worst case is metal distortion from excessive heat in which case will require a good amount of elbow grease to get the job fixed up. Worst case would be bad piston rings as mentioned above - only fix is to take the block apart (expensive and timely repair to do, even if you do it yourself)
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