well i have replaced the iat sensor twice this year cause the bulb inside was broken and the cel is back on for the same thing i am lonly running 9 lb boost. i recenly cranked it to about 11 but not enough fuel so put it back to 9. i havent taken the sensor out yet to check the bulb but im sure that it is broken again. it is saying high circuit input. am i doing something wrong or am i just having bad luck with these. any help would be great thanks

Where have you been purchasing your previous sensors? Are you replacing them with the same style/manufacturer?

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2012 2500HD LML

it is the factory oe replacement that you get at any autozone and is put back in the stock location but is in an obx intake manifold

Try getting a REAL OEM unit from the dealer. The "OE" units at vatozone are from some aftermarket manufacturer that copied the OEM unit.

Erik P.
Official 2GNT thread Hijacker
Some say that he's driven over more Covenant than he's shot, and that his grenades aren't where you'd expect them to be...
All we know is, He's not The Stig... But he is The Stig's Spartan cousin!

i had the same exactly problem with my 96 turbo'd gs and i kept throwing IAT sensor codes... i replaced it and for a while it kept coming back till i went to autozone and had them delete all my CEL's and then i never had that code come back... but simply taking the neg battery off didnt erase the code so maybe try that??? please let us know if you find anything out...