O2 sensors after off road h pipe - Ford Mustang Forum
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post #1 of 4 (permalink) Old 02-13-2017 Thread Starter
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Unhappy O2 sensors after off road h pipe


Last edited by xavicho3; 03-17-2018 at 11:07 PM.
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post #2 of 4 (permalink) Old 02-14-2017
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The front two holes are where your factory front o2 sensors go. The front o2 sensors are what tell the pcm whether to add or pull fuel on that bank. I am assuming your factory exhaust system had a two into one type system, so you probably had one o2 sensor in each manifold or close to it and one o2 after the catalytic converter. So probably why it's like that. The rear doesn't have to be used so it's a good spot for a wideband. A wideband is used tuning/dyno tuning a vehicle. It shows the vehicles air/fuel ratio and during all driving conditions and shows the tuner where to add/pull fuel in the tune. The kit with two front holes and two rear is so all 4 factory sensors can be swapped over. As far as your code is concerned. If you have the ability to read live data on your bama tuner look at your o2 sensor readings. Most likely you have one stuck or barely reading a lean condition for that bank. If so replace the sensor with a new Motorcraft sensor

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post #3 of 4 (permalink) Old 02-15-2017
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yet another "Bama" related issue, oh boy.....
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post #4 of 4 (permalink) Old 02-16-2017
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Originally Posted by bl817 View Post
yet another "Bama" related issue, oh boy.....

Consistancy is important......and BAMA has consistant issues! I'm surprised EPA hasn't drug them into federal court like what they did with BullyDog (previous owners) years ago- but it's a coming I'm sure!

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