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Old 11-17-2012, 12:31 PM   #15
Scooby Newbie
Member#: 230056
Join Date: Nov 2009
Location: Northwest Suburbs of Chicago
2003 Impreza WRX


Originally Posted by jackuzi View Post
I didnt read sparkplugs on the list. if you have been running rich for 3 years, I'm pretty sure your plugs arent in the best shape.

Do a compression test to make sure you are good all the way across. If you can change sparkplugs yourself, you can do a compression test. If you can't do sparkplugs yourself...take a weekend and try to do it.

Iv done the plugs several times. Last time I changed the plugs however I found one of them was completely black.
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