2012 5.0 stalling

5ohCam

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Okay so this is a pain in my ass I have a 2012 5.0 with stock headers no cats with an xpipe and roush axel backs , the car runs good but 2 month after getting it I was sitting at a stop sign and the car just stalled out on me and wouldn’t start I had it towed to ford and they said it was a bad fuel pump control switch , “switch in the back beside the spare tire” so that was replaced and the car went back to running not problem and then a month goes by and it stalls on me again and then I would disconnect my battery and the fuel pump sensor let it sit for about an hour and then it would start back up, I have a code for not having my cats and then another code for bank 1 and 2 air fuel ratio imbalance codes , and ideas of what’s going on before I bring it back to ford? It does idle rough on and off sometimes
 

dre256

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When I had air imbalance code actually turned out to be a lazy O2 sensor. But never stalled on me.
 

Kpbeard77

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Bad 02 sensor? If you have not already done so, clean the maf and throttle body.
Check the PCV too while you're at it. Could cause that rough idle.

Sent from my LG-G710 using Tapatalk
 

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