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7th Generation Civic 2001 - 2005 In the years from 2001 to 2005 Honda released it's 7th Generation Civic.
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Compression drop after timing belt change

 
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Old Sep 1, 2012
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Compression drop after timing belt change
Compression drop from 230 to 180 psi after timing belt change.
Timing looks OK
The car drives great. what could be the reason?
Old Sep 1, 2012
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Re: Compression drop after timing belt change
i would be willing to bet money your timing belt is off by one tooth
Old Sep 3, 2012
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Re: Compression drop after timing belt change
The car wouldn't start with timing belt off
Old Sep 3, 2012
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Re: Compression drop after timing belt change
180psi is good, as long as its consistent through all 4 cylinders I wouldn't worry.

The first compression test could have been done wrong or a bad gauge, I don't recall ever hearing any compression tests over 190psi on these motors.
 
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