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Old 06-17-2019, 07:55 PM   #12
Scooby Newbie
Member#: 363007
Join Date: Jul 2013
Chapter/Region: MWSOC
Location: MO
2008 STI


Originally Posted by Turpid Porpoise View Post
How did the spark plug in Cylinder 1 look?

I would not be surprised if the noise you mention was always there but the UOA has made you more sensitive to noises since the report stated that you may have a problem. If the motor is running and compression is good then I wouldn't worry to much.
Here's a picture of the cylinder 1 spark plug. When I did the compression test about 3 weeks ago the white body of this one was cracked. I may have done it while removing it, but I thought I was being careful. I replaced all 4 plugs and they all look the same to my uneducated eyes.
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kopele is offline   Reply With Quote