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Cobra Forums
2013-14 Shelby GT500
Engine Code P401
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<blockquote data-quote="hostile500" data-source="post: 15615450" data-attributes="member: 173511"><p>Hello everyone</p><p>Has anyone ever had the P401 EGR recirculate insufficient flow code come up?</p><p>I have a 13/14. the light has never came on and I have 15k miles on the car. I put an O/R X pipe on over the winter and the light stayed off along with the O2 sensors went ready. One weekend i decided to run 5 gallons of C16 leaded fuel in with about 5 gallons of 93 for a dyno day. After that day the P401 code keeps coming up. I put the stock H pipe with cats back on and went back to 93 octane but the light keeps coming on. Any help would be great.</p></blockquote><p></p>
[QUOTE="hostile500, post: 15615450, member: 173511"] Hello everyone Has anyone ever had the P401 EGR recirculate insufficient flow code come up? I have a 13/14. the light has never came on and I have 15k miles on the car. I put an O/R X pipe on over the winter and the light stayed off along with the O2 sensors went ready. One weekend i decided to run 5 gallons of C16 leaded fuel in with about 5 gallons of 93 for a dyno day. After that day the P401 code keeps coming up. I put the stock H pipe with cats back on and went back to 93 octane but the light keeps coming on. Any help would be great. [/QUOTE]
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2013-14 Shelby GT500
Engine Code P401
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