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Unread 08-18-2018, 06:34 PM   #1
expat
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Default Fuel/air ratio sensor (Not an 02sensor)

Need to change the air/fuel ratio sensor on Sams 04 4.0ltr engine. Iíve read that on the 4.0 the upstream are air/fuel sensor, NOT oxygen sensors. Most threads I read elsewhere, people had to go to Toyota for an original part that was $200 for 1!

What about this as an alternative?

https://shop.advanceautoparts.com/p/...applications-d
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Unread 09-15-2018, 07:48 PM   #2
Dealmaker
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Mark, I've replaced two sensors so far on my 4th gens, but can't remember if they were just O2, or fuel/air sensors..
Bought both on Amazon, believe it or not!
Both were Denso's, which I believe is factory.
I paid much less than $100 and replaced them my self.
Toyota dealer wanted like 375-400 and it ended up costing me like $70-ish and 15 minutes.
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