Quote:
Originally Posted by Indo Rider
The provided washers certainly didn't preclude contact of the O2 sensor tip with the cat element for me. I ended up finding some similar washers with some sort of "spark plug anti fouling spacer" from O'Reilly's. BDG provided washers are 2 mm thick. Washers I found are 3.25 mm. I used the stock washer plus the 3.25 mm one and that kept the O2 sensor tip from touching the element while still leaving enough thread engagement for me to feel like the install was solid.
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Got it. I missed the purpose of this post. I did not use a third washer. No CEL after 1600 miles, I guess that's all that matters.