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kedlin88

Map and IAT Sensor cleaning. Is this right?

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Ok, so I decided to clean my MAP and IAT sensor today on the 99 24valve I just bought. There were no check engine lights, and it runs and drives good. I just figured it wouldn't hurt to clean them. This is the first time I have ever done this. I took out the MAP Sensor, it was pretty clean, but I did some work on it. Then I take out the IAT sensor, which is below the MAP at the bottom of the block??The two sensors look the same except for the electrical connections. I did some reading on other threads before I did this and everything I seen, the IAT has like a white plastic tube extruding from the sensor. The black is the MAP, and the tan was from the IAT sensor location? Is this right? Do some of the IAT sensors not have the white piece? Thanks,

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oh. So I took out the wrong sensor?:banghead: I thought I read somewhere the the IAT sensor was up closer to the map but I cant find that dang thing if I had too...so I figured that was it.

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the IAT is directly behind the MAP and has the black plastic extension you are speaking of. You should not have to clean either unless you have and exhaust brake and then it is questionable at best. both of the sensors in your photos are pressure sensors.

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Typically the whole cleaning of sensors does nothing to fix issues or problems. If you don't own a exhaust brake then there is no reason to even worry. Only exhaust brake owner have to check or clean the sensors off. Like myself I'm purposely letting mine go to see if they can actually be fouled but so far neither the MAP or the IAT have problems still working just fine after 2 years of exhaust brake usage.

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