Quote:
Originally Posted by Fifty150hs
Yes, two per bank. Two upstream and two downstream. Precat and postcat. Depends on how the sensors are allowing rich or lean condition. Too lean could lead to detonation and burnt valves. Too rich kills your fuel mileage and I think too rich is hard on the cats and can burn them out. Not to mention the constant SES light being on. That would make me nuts.
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Thanks for the info, yeah resetting the SES all the time is a minor PITA.
I found a bundle* with the four Bosch sensors for about $250 which doesn't seem bad. Of course there's Chinesium ones on the Hamazon, $45 for all four. Unsure I want to save $200 only to have to get in there multiple times.
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https://eeuroparts.com/product/bosch/4178450KIT