Thoroughbred Diesel has the PPE MAP Spacer for $49. I have placed several orders with them, including the S&S DPK. They are a good company to deal with.

 

If you do proper maintenance (oil changes, and all filters) and don't work the truck in harsh (dusty) environmental conditions, and absolutely don't idle the truck excessively, then save your money for now and once a year take the sensor out and check / clean it. $ in your pocket !

 

Question for those of you that have cleaned your MAP sensor - how clean did the inside get? I see your pictures of the outside but it is really difficult to take a picture looking inside the barrel. I sprayed the CRC Electronics Cleaner in there, let it soak for a minute and sprayed more but never did get all of the black coating out from the bottom of the barrel. Got some out but there is still quite a bit down in there. 40K on the clock and this is the first time cleaning it.

 

This for sure. I do not let my truck idle for any length of time if I can help it.

That Dave guy in Utah says turn the key and put the truck into drive.

 

I pretty much did there same thing. After I let some sit int here for a bit I turned it upside down and sprayed in it so debris would fall out. I did also use a Q Tip to get inside right at the top, but I didn't bury it into the sensor. From the sound of it, that membrane is quite fragile... I used a flashlight to look into it and I could see the membrane. If yours is clogged up inside there you may need to get a new one...

 

It's not clogged up, as in non-functional, and it's not throwing any DTC. I was just expecting to be able to clean all the soot out and get it sparkling clean again. I thought about sending a Q-tip in but knew it was going to leave some cotton threads behind that I would never get out so I used the corner of a lint-free shop towel and twisted that in. But it still looks pretty dirty. Maybe I'll get another one as a spare in case this one does clog and I'll be able to see what the new clean looks like!

 

To follow up on my previous post - the MAP sensor did throw three DTC's and went into full failure mode. All three in the PCM - P0105, U0609, and P0069.

I replaced the sensor, cleared the codes and all is well again. The Banks MAP Relocation Kit will be here next week and will get installed immediately since I am now familiar with how easy it is to do.

For reference, this is on a 2022 F-250 6.7L with 40,000 miles. The old sensor was made in Germany 31st week of 2021. The new sensor was made in Czechoslovakia 25th week of 2025. Both are Motorcraft with the same P/N.

In the interest of science, research and helping mankind, I decided to do an autopsy on the failed sensor. I cut the barrel off the failed sensor and immediately found that the plastic shavings from cutting were all stuck inside the remaining part of the sensor in some sort of gooey stuff. That's a technical term for you engineer types out there. I never did see anything that could be considered a membrane unless that was where the gooey stuff came from. Perhaps the membrane dissolved into the gooey stuff. Did the CRC QD Electronics Cleaner do that? I hope not, but really can't say one way or the other. I did twist the corner of a shop rag inside the old sensor while trying to clean it. I never saw anything come out on the rag other than a tiny bit of soot. The only two things that I put inside were the rag tip and the CRC QD Electronics Spray.

The picture below was after I cleaned everything up on the failed sensor.




Old sensor during autopsy.


I did a close examination of the new sensor before installing it and I will say the electronics on the inside look different, at least looking through the little hole.



It looks like small components at the bottom center and a + over to the right.

 

there are two type of p0069, a pending p0069 and a perm p0069. you cant clear a perm p0069...that is done by the pcm once the pcm verifies the p0069 condition is resolved.

there is a spooky version of the p0069. you reach your destination and there is no p0069, you shut off the engine and come back and do a prestart...turn key or press button with out putting foot on brake...pending p0069 appears. this version of the p0069 appears at next key on when the map pressure drops below 10psi at the previous shutdown. the map pressure drops at shut down due to the throttle body closing and the hot side of the turbo continuing to spin...air flow is from the area between throttle body and map via the egr tube...causes a vacuum and map pressure will drop.