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Primary O2 Sensor / Air-Fuel Sensor for KTuner Applications - HA Motorsports

Primary O2 Sensor / Air-Fuel Sensor for KTuner Applications

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This is an OE Denso upstream/primary oxygen sensor (wideband sensor) for KTuner applications.  Use as a factory replacement or on K swap applications that are using a KTuner ECU setup.


2005-2006 Acura RSX with manual transmission


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  • It’s for type s as well

    Yes, it is the same sensor for 05-06 RSX base and Type-S.

  • I only have KTuner reflash #2 Witch disables secondary o2 Do i need to use this primary 02 sensor

    Yes, you will need this primary sensor or an equivalent.  Many KTuner compatible vehicles already have an equivalent primary sensor to this one from the factory..

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