P219B Engine Code - Hemi Truck Club
 
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Old 02-03-2017, 06:52 PM   #1
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P219B Engine Code

I am getting the code P219B. The definition I get is Bank 2 air-fuel ratio imbalance. What exactly does that mean? What part do I need to check and or replace to fix this? Its the 2nd time in 2 weeks, I've gotten this code.

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Old 02-03-2017, 08:02 PM   #2
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That's one I haven't heard of before. I would swap the front o2s sensors to see if the code followed.
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Old 02-03-2017, 08:08 PM   #3
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So, its 02 sensors that's the problem? Ok I'll try that. Thanks
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Old 02-03-2017, 08:27 PM   #4
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The o2s are what's reading the afr and signaling the pcm to manage optimal afr. The dtc is reading or receiving input from the passenger side o2s that's it's out of balance with the driver's side. Anyway that's how I see it.
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Old 02-03-2017, 08:47 PM   #5
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Alright, that makes sense. I'll try it tomorrow, and see what happens.
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Old 02-04-2017, 04:59 PM   #6
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Yes give that a try swap them side to side and see if it goes to bank 1
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