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How many O2 sensors on my car and where are they? Is it wideband?
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O2 sensors help ?
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EFI
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4 and they are in the exhaust, 2 before the cats and 2 in the cats.
2 of them are widebands indeed.
2 of them are widebands indeed.
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Thank you. Which ones are the wide band?
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.
Regular o2 sensors = fairly cheap
Wideband o2 sensors = fairly pricey (because they monitor and provide a lot more data)
The wideband o2s are always the ones closest to the exhaust manifold (aka Upstream). The o2 sensors in or after the cats are just regular o2 sensors and monitor how well the cats are doing.
Regular o2 sensors = fairly cheap
Wideband o2 sensors = fairly pricey (because they monitor and provide a lot more data)
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