XF and XFR ( X250 ) 2007 - 2015

P0175 that won’t go away….

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Old Yesterday | 11:15 PM
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gretle_2.0's Avatar
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Default P0175 that won’t go away….

Hey guys I been having issues with P0175 code on my 2010 XF Supercharged 5.0 for a bit now. Now I have replaced the maf sensors, injectors, upstream o2
sensors and purge valve. Now this code only pops up on my scanner as a historic code after doing accelerating hard. It never throws an actual light just a historic code. Basically the car will pull great but as soon as I left off the gas after a pull the car bogs down alot then returns back to normal cruising rpm after a couple seconds. The fuel trims are way off obviously with this issue. Just really hoping someone can point me in the right direction.
 
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Old Today | 07:09 AM
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What are the trims on both banks? How close are you to P0172 as well?
 
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