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O2 Sensor Question

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Old Apr 11, 2012, 06:45 AM
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O2 Sensor Question

Can I install a wide band in the spot where the OEM narrow band is? Will this make the evo blow a code? I'm sayin can the stock ecu use the wideband? Should I keep both?
Old Apr 11, 2012, 06:48 AM
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Most people will have another o2 bung welded onto it before the cat if you have one. It is easier that way. But if you do it in stock location the engine light will come on as you took out one sensor monitoring emissions
Old Apr 11, 2012, 08:11 AM
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Ah so it will blow code. Okay cool, I will just get the bung welded. I keep trying to cut costs you know? If I do throw the new one the oem spot can I 'force' the wideband to send viable data to the ECU or can I just code the ECU to pass 02?

(truth be told I'm already convinced on just getting the new bung welded...just curious)
Old Apr 11, 2012, 08:22 AM
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You can but the readings will be off. The wideband is needed to read a wider range of air fuel ratios so readings are different.Easier to just weld one on and be done with it.
Old Apr 11, 2012, 12:25 PM
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some test pipes come with a bung and can be used
you can also delete the 2nd one and use that bung although it may be too far as recommended by the wide band and tuner's advice
Old Apr 13, 2012, 04:04 AM
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if u delete the second 02 will there be a problem if u keep the first 02 and a a/f ratio? will the car run okay?
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