zero compression - Honda-Tech

zero compression

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Old 03-20-2017, 12:39 PM   #1
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Default zero compression

hello all, I have a 02 s2000 and recently noticed it sounded a bit off, I took the car in to have a compression test done to find out that cylinder 4 has zero. I was told that my best bet would be to try and find a new motor rather than rebuild it due to cost being roughly the same for both and for the fact that because it hasn't been torn down yet we're uncertain of the reason behind the lack of compression (hole in cylinder/piston). just wanted to get your guys input on this matter as I look to source a new to me motor and tranny combo. thank you.
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Old 03-20-2017, 04:15 PM   #2
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Default Re: zero compression

Probably a broken or bent valve?
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Old 03-20-2017, 08:39 PM   #3
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Default Re: zero compression

Scope the cylinder... maybe you can see if the problem is valve related or piston related.
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