Thread: Smoking
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Old 03-29-2013, 05:45 PM   #8
Scooby Guru
Member#: 82745
Join Date: Mar 2005
Chapter/Region: SCIC
Location: So Cal
2005 Subaru STI
2003 EJ207 S204 Wagon


Originally Posted by allfours View Post
No brand new bottom end. Did a leak down, results were good. Replaced the pcv and the smoking was virtually gone.

I have one more issue now though. After I drive the car and do not let it fully cool off before I drive it again. It will run rich just cruising around in the 13.5 - 8 range. After a few minutes it goes back to normal.

Could that be a bad front 02?
Yes, and make sure to get a Denso o2 and not a Bosch. I had a new Bosch unit and it went bad in under 15k miles with just over 1 year in the car.
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