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AFR while revving normal? SOS stage 2 id1000

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Old Apr 24, 2018 | 05:02 AM
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Default AFR while revving normal? SOS stage 2 id1000

Wondering if this 10 spot on the AFR is normal while revving the motor. Check out the attached link
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Old Apr 24, 2018 | 11:27 AM
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Accel tip is rich
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Old Apr 24, 2018 | 01:17 PM
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Some of it is decel settings some of it is your async delay time
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Old Apr 24, 2018 | 01:37 PM
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Really appreciate the input guys now nothing has been changed tuning wise through the haltech , can it be something mechanical or does it lay with in the ecu, is there something I can do to correct the issue or is this a job for my tuner? Another note to add is I had a bad primary o2 and then I wired the wideband into the ecu , before the wideband with the bad o2 I had crazy lean and rich afr’s. It’s stabilized I would say now but seems to spike rich like the video shows.
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Old Apr 25, 2018 | 02:27 AM
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Originally Posted by Nick2t1me
Really appreciate the input guys now nothing has been changed tuning wise through the haltech , can it be something mechanical or does it lay with in the ecu, is there something I can do to correct the issue or is this a job for my tuner? Another note to add is I had a bad primary o2 and then I wired the wideband into the ecu , before the wideband with the bad o2 I had crazy lean and rich afr’s. It’s stabilized I would say now but seems to spike rich like the video shows.
How did you know you had a bad primary o2? did you pull a code during diagnosis or just notice symptoms?
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Old Apr 25, 2018 | 04:22 AM
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Originally Posted by RolanTHUNDER
How did you know you had a bad primary o2? did you pull a code during diagnosis or just notice symptoms?
Diagnosis with my tuner via emails found out the o2 was giving erratic readings to ecu

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Old Apr 25, 2018 | 05:33 AM
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Originally Posted by Nick2t1me


Diagnosis with my tuner via emails found out the o2 was giving erratic readings to ecu

Oh I see. did the car exhibit any odd behaviour as a result of those erratic readings like random misfire, etc?
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Old Apr 25, 2018 | 06:25 AM
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Originally Posted by RolanTHUNDER
Oh I see. did the car exhibit any odd behaviour as a result of those erratic readings like random misfire, etc?

So there were no misfires , it just ran extremely rich under WoT resulting in very sluggish power output, it’s as if someone turned off the supercharger and it was running n/a vehicle still boosts to 10 psi no problem just sluggish due to the AFR
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Old Apr 25, 2018 | 09:24 AM
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the haltech doesnt use the the factory o2 sensors for anything
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Old Apr 25, 2018 | 11:40 AM
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Originally Posted by s2000ellier
the haltech doesnt use the the factory o2 sensors for anything
it uses the primary o2 or wideband there is an option to enable which one you want to use
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