Thread: Pre cat o2's
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      06-09-2018, 04:08 PM   #2
dparm
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Quote:
Originally Posted by opihi5 View Post
Anyone know of a solution to the precat o2's failing non stop. I've been buying Bosch replacements and they only last a few months. Seems like its pretty common for these to go out....
Is your car tuned or something? Oxygen sensors should last a pretty long time.
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