O2 Sensors
30

Asked by finaltouch14 Jul 28, 2019 at 09:39 PM about the 2002 Toyota Highlander Limited V6

Question type: Maintenance & Repair

6 Answers
30

finaltouch14 answered 5 years ago

Can you tell me how many o2 sensors are on a Toyota HIghlander 6 cyl. 3.0 liter? Just one upstream and one downstream or 2 of each? Thanks!

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TDolby answered 5 years ago

There should be 4 total, two upstream, two downstream. Are you getting an O2 code? Which one?

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finaltouch14 answered 5 years ago

Thanks. Haven't had it scanned yet. Check engine lights been on for a while now and getting hard to inspect. Time to fix the problem. Just trying to learn about them. Was going to attempt to put it in myself. Didnt look too difficult on UTube.l Hey thanks again, Janis

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