Tag: P0123
DTC P0121 – How To Change a WRX Throttle Body
The OBDII DTC trouble code of P0121 is a common problem that relates to your Subaru throttle position sensor. When you depress your accelerator...
DTC P0123 – How To Change a LS1 Throttle Body
Throttle body and throttle position sensor errors can trigger this problem trouble code of P0123. Otherwise known as Throttle Position Sensor/Switch A Circuit High...