i replaced my throttle positioning sensor. i may have to change the pressure sensor on my fuel tank. my service engine light is on and my truck stalls as if it is not getting any fuel.how do i bypass

Asked by Apr 23, 2013 at 10:28 AM about the 2000 Chevrolet Silverado 1500 Reg Cab Short Bed 4WD

Question type: Maintenance & Repair

tps replaced..if i start my truck and the  service engine light is on my truck will stall out. if the service light is off the truck is fine. i know it is a sensor but how can i bypass it...if i keep my foot on the gas the truck will run as soon as it goes into idle it stalls..help!!!

4 Answers

how do i pull the o2 sensor?i dont know too much about doing my own work but i can find my way around

102,155

The O2 sensor is not used during start up. At start up, the ECU is in "open loop" mode and the engine sees a rich fuel mixture. After the engine gets some heat in it, the ECU switches to "closed loop" and the O2 sensor controls the fuel mixture ratio.

1 of 1 people found this helpful.

tenspeed, I am still paralyzed by the breadth of your knowledge~

35,515

Find out what the code is, it will be stored in the history on the pcm.

1 of 1 people found this helpful.

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