car repairs


Question by  vickierender (26)

The code on my GM indicates that the tps or Throttle position sensor, needs to be cleaned, it is a 4.3, could you advise me as to how?

I need assistance in cleaning my TPS on my GM.


Answer by  McCheese (1248)

The throttle is most likley gummed up with oil and sediment. On the 4.3, the TPS can easily be removed. Remove the part and place it in a bucket of soapy water. If the TPS is especially dirty, you may want to use a wire brush as well. This should be done at least once every two years.


Answer by  seansnark (145)

Follow the air cleaner tube to the throttle body. There are usually two screws holding the sensor. Remove and clean with electronics cleaner. TPS sensors are known to fail.


Answer by  hypertech (690)

The throttle position sensor is located neat (or sometimes in) the throttle body. Its best to remove the entire throttle body and spray it out with throttle body cleaner.


Answer by  pallaturk (26)

Locate the TPS (usually near the intake/manifold meeting). Remove the TPS or the back. Disassemble as best you can and clean any surfaces with cleaner or light abrasive (pencil eraser).


Answer by  Amber40 (24961)

Well the process is pretty straightforward. Disassemble the intake, unbolt the sensor, unplug it from the harness, and spray it out with some electrical parts cleaner or similar solvent.


Answer by  SanthaKumar (35)

First we have to open the hood , then we need to remove the throttle body from the intake manifold , then we have to remove the two screws by using special tools, then if we found more dust found in the tips ,we have to clean by using special recommended choke cleaner.this is the way to clean TPS.


Answer by  Doug77 (1433)

A common problem with the TPS on the 4.3L is coolant contamination. First, verify that no coolant is spraying on the sensor via a nearby hose. Next, you can try cleaning it off with carb or brake cleaner - otherwise you'll have to replace it.

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