Question About MAF Sensor - Ford Powerstroke Diesel Forum
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post #1 of 3 Old 10-26-2011, 06:32 AM Thread Starter
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Question About MAF Sensor

I have question regarding whether my MAF sensor is messed up or not. There IS definitely a noticeable way my engine behaves when the IAT reaches 80+ degrees F. What I am noticing is that while cruising down the road and IATs get over 80F that my required boost to maintain ~67mph goes from about 6-7psi on relatively flat level ground to around 9-10+psi. So my question is what could be causing this?? I have noticed that this WILL happen everytime IAT gets over 80F. Am I looking in the right direction by blaming the MAF sensor?

Nate
2006 F350 (BACKYARDIGAN) - 67mm Turbo, 215/85 injectors, WPE intake manifold, NB/Warren Trans, and more stuff that I don't care to mention....
2006 F250 (LITTLE DURTY) - WPE Manifold, Up-pipes, EGR delete kit, and Tuned By ME
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post #2 of 3 Old 10-26-2011, 06:38 AM
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Cooler air is more dense and gives you more power, which I'm sure you probably know. For us here in the desert of AZ, it is especially noticeable. During summertime, I have noticeably less power, especially when I see IAT's of 120-130*F. In the wintertime, particularly in the morning when the IAT is 70*F, it is like a whole other animal.

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post #3 of 3 Old 10-26-2011, 08:07 AM Thread Starter
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That is good to know. Yea I knew that cooler air was more dense but am glad to hear that others are having similar results. That is essentially what I am seeing. In the mornings when IATs are lower, it feels like I have more power than when it gets hotter in the day and I just wanted to make sure I didnt have a sensor that was messed up.

Nate
2006 F350 (BACKYARDIGAN) - 67mm Turbo, 215/85 injectors, WPE intake manifold, NB/Warren Trans, and more stuff that I don't care to mention....
2006 F250 (LITTLE DURTY) - WPE Manifold, Up-pipes, EGR delete kit, and Tuned By ME
BULLET PROOF DIESEL 1-888-967-6653
KC TUROS - Not just a modified Powermax...

WINDRUNNER PERFORMANCE ENGINEERING
WWW.WPEDIESEL.COM

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