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Question on O2 Sensors

 
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Old 01 Oct 2011, 10:17 am
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Join Date: Sep 2010
Posts: 166
Default Question on O2 Sensors

Can you guys tell me if the O2 sensors are one of those items that our PT's will only tolerate genuine Chrysler replacements on, instead of replacements manufactured by Bosch or others?

I'm going to do replace the plugs and plug wires on my 2002 PT Touring this weekend, but a friend had mentioned that I may want to keep the O2 sensors in mind as well. I've got 120,000 miler on my car, and I'm positive that the O2 sensors have never been changed.

Thanks,
Steve
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Old 01 Oct 2011, 10:46 am
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Join Date: Nov 2007
Location: Mooresville, NC
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Default Re: Question on O2 Sensors

Personally, I will only go with OEM sensors, regardless of which ones, on my PT. Too many issues seen over the last few years with after market sensors...
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Old 01 Oct 2011, 10:53 am
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Default Re: Question on O2 Sensors

Can you tell me what the recommended mileage is for changing them? Does one go out more than the other (the upstream one vs. the downstream one)?

Will they definitely throw a check engine light when one of them goes, or will they continue to function in a limited capacity with no indication?

Thanks,
Steve
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