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Old 01-28-2015, 04:10 PM   #1290
jdair28
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Join Date: Aug 2013
Drives: 2013 Scion FR-S 10 Series
Location: Wilmington, DE
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Quote:
Originally Posted by supra2nv View Post
unfortunately yes i have a secondary 02 sensor cel. i bought a bung to tap for the second sensor but i have yet to do that.
gotcha. sorry im a noob, but what causes it? The headers? or the front pipe
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