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Behind of Carburetor air filter collector, you have to take this off and them is behind
YES.
They don't have one
Change the expansion valve it will work fine
The 2003 GMC ambient air temperature sensor is located on the bottom of the drivers side mirror. If you look up at the bottom of the mirror you will see the sensor.
These trucks do not have a cabin air filter.
4 bolts hold on the glove box. then remove the air duct [just slides off] then remove the straps and pull the doge house off.
I have a 2003 gmc sierra I'm thinking of puttig in a fuel module. But I need to know witch 2 of the 5 wires I have going to the air box are for the air intake temperature control? I need help please T
Between the front grill and the radiator.
it has 2 in the front. above passenger feet.
Its the sensor on the air intake that is closest to the butterfly.
you don't, there isn't any. none after 2002 year model.