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Lambda O2 Sensors


Maddog

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Need some advice in the matter,

I'm about to put some HFC's on the 350  DE , And i thought it would be better to install another pair of O2 sensors rather than try and remove the ones in the OEM cats just incase i can't get them out without damaging them.

Are they prone to get damaged easily, so buying second hand is a no no. Or are new sensors the only way forward, As i'm sure new sensors will cost a small fortune.

Thanks

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With post cat sensors and HFCS you may experience the CEL/EML light will come on. I had this issue with my Berk cats. I replaced with new sensors but it still came on regularly. 

Ultimately I went and got the Uprev map done and had them deleted.

Pre cat sensors I replaced anyway as they are the important ones and have no influence on which cats are on the car.

I wouldn't bother and save up to get the Uprev done with regards post cat sensors and get them deleted.

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Going for the uprev next week at H-Dev,

Although wouldn't have thought the uprev would delete the sensor,  just corrects the CEL light on post cat sensors

think i might bight the bullet and get some new ones before the uprev

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