p0123 tps

  1. Christian.mers

    I’m losing my mind with this TPS!

    Just for reference, I have a 97’ with the 2.5l. I recently got a P0121 and P0123 DTC. Some symptoms that I have noticed that could point to my TPS is at once I let off my throttle my idle drops to about 200-300 RPM and oil pressure drops to 23-25psi. The oil pressure makes sense because the pump...
  2. S

    Throttle position sensor troubleshooting

    I have a 99 TJ 4.0. I am getting the code p0123 saying the voltage is to high for the TPS. I found a good video on how to check from jeepdsolid but my issue is not the same has his. I have had the ECM replaced for other issues and tested again to make sure that's not the issue. The jeep also has...