Question about 2008 Chevrolet Trailblazer
How much to replace it and can I do it?
For the I6 engine, there is a Throttle Body Position Sensor, (TPS) attached to the actual throttle body. This cannot be removed from the throttle body itself. You need to buy the whole throttle body which includes the TPS. Just did this myself, one of the chain stores offers lifetime warranty by the way. It's very easy, turn off all HVAC inside the cab, then disconnect the battery first, very important step. Take the top resonator off, unhook the black ducting going to the air cleaner box and throttle body. Disconnect the electrical connector on top of the throttle body. Now it's just 4 easy bolts for the entire throttle body to come off. You CAN reuse the old hard plastic O-ring, no need to get another one unless it's damaged.
Posted on Mar 08, 2017
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Posted on Jan 02, 2017
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