2003 chevy tahoe has been given me problems I get a reading on my dash board saying reduced engine power and it will slow down the code it was giving me was for a throttle body I changed that still had problems I have also changed the sensor and harness connected to it and it still gave me problems I took it to to see if maybe it was electrical and they said I had a burned out module along with the gas pedal sensor and some other sensor around the gas pedal so i changes that as well it was fine for a few months now it's doing it again don't know what to do at this point..