Re: O2 sensor bad out of the box?
I would just replace the o-ring. How much resistance is there when you seat tue dipstick? My new o-ring take a little push to fully seat it in place.
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Cam
'92 Ls-L Dark Teal
11:1 CR ECUTUNE pistons
ECUTUNE .256 duration intake/exhaust cams
ECUTUNE STAGE 2AV1 ECU
Z32 MAF/SR20DET injectors
Balanced & Blueprinted
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