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I didn't use a Q-Tip, but I did use an Allen wrench I had handy to ensure the orifice wasn't blocked. I finally went for a short drive (44 miles round trip) and noted an immediate improvement in fuel mileage.
So, I've changed the CCV filter and the MAP sensor. Is there any reason to mess with the MAF sensor?
I pulled mine the other day - as it threw a code. Looked like the ones pictured. Cleaned it with MAF spray cleaner. Worked like a champ. Truck definitely runs better now!
I didn't use a Q-Tip, but I did use an Allen wrench I had handy to ensure the orifice wasn't blocked. I finally went for a short drive (44 miles round trip) and noted an immediate improvement in fuel mileage.
So, I've changed the CCV filter and the MAP sensor. Is there any reason to mess with the MAF sensor?
I've pulled mine before to clean it and did it again it when I installed my S&B air intake last year.
I can't remember if it was at all dirty or not but I don't think it was...
Hahahaha, go ahead and do it.....it's not "Overkill" , but it does make sense.
Okay so it's been about 19.1k miles since I last cleaned the MAP sensor... Lo and behold, it was dirty again...
I rubbed the carbon off with my index finger to see there's build up inside the hole.. It took 5 Qtips with cleaner to get it clean...
Scrapped the top with a flat screwdriver to get the hard stuff off. I don't remembering doing that last year... Also cleaned out the manifold port with a few soaked Qtips prior to reinstallation.
Funny that you posted this, I was just thinking the exact same thing this morning. The only thing I could come up with is that the hole in the spacer appears to be larger, so it might take longer to clog. Less frequent cleanings could be the advantage. I may send S&B a brief message to see what they say. I haven't been able to find much in the way of user feedback on the forum.
I did send an inquiry to S&B about their spacer. The reply I got was pretty disappointing. Generic, didn't address the question, instead just repeated the line from the part description about reducing soot buildup. I tried asking again, to emphasize my question in regards to build-up on the opening of the spacer itself, and again was given a response having only to do with soot build up on the MAP, not directly addressing my question.
This is one of those things that get forgotten about or didn't know about till a thread like this. The forum certainly helps with keeping up to speed on the little details of maintenance.
This is one of those things that get forgotten about or didn't know about till a thread like this. The forum certainly helps with keeping up to speed on the little details of maintenance.
Ford needs to plumb post DPF exhaust into the EGR and soot build up in the intake tract would be figment of our imagination. C'mon Ford... lets step it up!
Figured I'm on a roll, so while I was in town today I stopped and bought a new MAF sensor and a couple spray cans of MAF cleaner. I've got the old MAP sensor I replaced so my plan is to clean it and keep both sensors as ready spares.
So, I was amused to find yet another kind of fastener (two star drive screws) holding the MAF sensor in. Fortunately the plug wasn't as challenging as the plug on the MAP sensor was.
Pulled it out and it looked very clean:
Since I had it apart with a new one in hand, I installed the new one anyway.
While I was in the neighborhood took a peek at the air filter. A few solids on the foam filter and some dirt on the pleated filter, but no need to change it yet.
However, a look inside the airbox revealed a fugitive:
When I set it down to take a picture of it, it became readily apparent where it came from:
Looks like it came loose and was sucked up into the air intake. Hopefully it's fastened more securely this time!
This is one of those things that get forgotten about or didn't know about till a thread like this. The forum certainly helps with keeping up to speed on the little details of maintenance.
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, but it does make sense.
