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Discussion Starter · #1 ·
[h=2]Manifold Differential Pressure Sensor Location?[/h]I dont know if we have one, I cant find a good engine breakdown. Saw the sensor listed on RockAuto.
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The sensor is located on the back on the intake manifold. It is slightly hidden by a metal bracket and the sensor is held on by a single bolt. It is number 9 in the parts breakdown.


mapsensor.png
 

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After seeing some of the things that Rock Auto has listed lately for the car I think they got ahold of Alldata or a GM Service manual and sourced every part no mater how obscure.

I was looking for some O rings when I changed the transmission fluid, they had all the internal parts to rebuild it listed, but no O rings for the drain and fill plugs. I liked their site much better when it just had things that someone who would work on their own car might need. I don't think there are many folks the want to DIY an automatic transmission rebuild.
 

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Oh, to stay on topic, that's what I cleaned when I cleaned my MAP sensor. It was black and pretty fuzzy on the inside. The car seemed happier and the mpgs bump up a little afterwards. I believe that was about 10000 miles ago and I'll pull it agin this weekend with next oil change just too have a look. I deleted the car a couple of weeks ago so it should stay clean now.
 

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Discussion Starter · #6 · (Edited)
I found it they call it the Air Intake / Charge Temperature Sensor, 55568175.
Definitely the Map sensor.

55570092 Intake Manifold Differential Sensor, still dont know where it is located.
 

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That sounds like the temp sensor that's in the pipe between the intercooler and the throttle valve. I pulled that one when I had to change that pipe, but I don't remember what it looked like. If you pull the computer off the side of the battery you will see it.
 

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That sensor calculates the soot level of the dpf. 'Manifold ' differnetial pressure sensor is a pretty misleading name.

Yes it loops around the entire engine. Yes its silly.
 
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