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How do you replace a throttle body on a trailblazer 2002
on side of throttle body at throttle plate.
Purchase a can of throttle body cleaner and follow the directions on the can.
The throttle position sensor is on the throttle body, opposite of where the cables attach.
The throttle position sensor is on the throttle body.
62 mm i believe
Clean the throttle body with a spray throttle body cleaner.
If it is similar to the 2002, and I believe they are, It is permanently attached to the throttle body. To replace the sensor, you have to replace the whole throttle body.
It is on the throttle body on the opposite side of where the cables hook on.
thr throttle sensor is on the throttle body on the opposite side of the linkage
The Trailblazer has an electronic throttle (drive by wire). There is no IAC valve, it is built into the throttle body. Remove and clean the entire throttle body.
take the bolts out of it