Wideband problems

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AAS350Z
Posts: 2
Joined: Wed May 23, 2012 5:10 am

Wideband problems

Postby AAS350Z » Fri May 30, 2014 3:16 pm

My haltech wideband shows diferent AFRs than they are. I plug in external sond to the exhaust which is on 100% good (checked on other cars 14.7 and proper calibrated) and haltech wideband shows 14.7 and external sond shows 13.2 I did calibration several times on the air and still have this big difference between sonds. External sond was installed in place of narrowband so very close to wideband haltech sond. Do you have any ideas why ?

3point5
Posts: 7
Joined: Mon Sep 26, 2011 12:28 pm

Re: Wideband problems

Postby 3point5 » Sun Aug 23, 2015 2:48 pm

post revival...

If you go into your Main Setup(F4) and your input tab will have O2 calibrations that are out. Your O2 sensors are reading correctly and feeding the haltech a correct voltage value but your O2 sensor table needs to be dialed in.


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