How many and where are the o2 sensor on 2011 pat?
O2 sensors
TC20
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Thanks so much been trying to find out how many my 08 pat has because I wana change them both at the same time
There will always be a pre and post catalytic sensor for each exhaust manifold on an engine. Inline engines will have two, v6 and v8 engines will have 4. Also, having just replaced my post cat sensor, i can confirm the rockauto $25 bosch sensor is the oem sensor as it had the exact same part number on it as my factory sensor from 2008.
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14 Posts
Todd, how has the rockauto Bosch sensor performed since install?
Perfect. No issues at all.
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1,597 Posts
Thanks for the tip regarding Rock Auto Bosch sensors. I'm nearing 10 years old Pat with 120K miles.
Should O2 sensors be replaced proactively or are there symptoms/codes that will tell us time to replace? I have a moderate level Autel OBDII scanner (non directional DiagLink model) - can I measure the sensors health BEFORE a code is thrown?
Thanks!
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My humble opinion, don't worry about it unless you get a check engine light or if your MPG is unexplainably excessively poor. If it ain't broke, don't fix it. 🤖 I need to replace mine because the check engine light is on and the code lines up with the o2 sensor.
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