XF and XFR ( X250 ) 2007 - 2015

Weird fuel trims and MAF issues on 5.0 supercharged

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Old Sep 2, 2025 | 09:06 AM
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gretle_2.0's Avatar
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Default Weird fuel trims and MAF issues on 5.0 supercharged

Hey guys I’ve been having an issue with my car running rough for a bit now. Car barely ever throws any codes but as soon as i get on the gas, once I left off it struggles and acting like it’s going to stall out but it doesn’t. Sometimes I will be driving and the car acts like it’s cutting fuel and hesitates but then it goes away. I’m leaning more towards possible maf wiring issue as I have already replaced the maf sensors with new oem ones and still having the issue. I smoked tested my engine and couldn’t find any vacuum leaks either. I



Here are the codes I get sometimes, I have also had all the injectors cleaned and seals replaced. Just trying to get to the bottom of the issue. These pictures are of the car at idle.
 
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Old Sep 2, 2025 | 10:11 AM
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Why did your replace the MAF's? What codes/problems did the car have?
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Old Sep 2, 2025 | 10:36 AM
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Originally Posted by clubairth1
Why did your replace the MAF's? What codes/problems did the car have?
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the P0101-00 code
 
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