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Is this normal on downstream o2

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1.7K views 3 replies 4 participants last post by  t-rd  
#1 ·
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Having trouble with van going into limp mode at idle it is a 07 with vcm runs fine until it goes into limp mode cut it off and restart it goes back to normal also it says fuel system b ol fault. I can provide more info just tell me what to look for.
 
#2 ·
When you have two parts of a system that are essentially the same, each serving half of the overall unit, the first comparison to make is between the two parts.
 
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#3 ·
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Having trouble with van going into limp mode at idle it is a 07 with vcm runs fine until it goes into limp mode cut it off and restart it goes back to normal also it says fuel system b ol fault. I can provide more info just tell me what to look for.
It looks like nothing is going through bank 2 (either that or the downstream O2 sensor is not functioning). Those downstream sensors should be stable and somewhere between 0.1v and 0.9v.
What codes is it saying?