Tag: P0121
P0121 Honda 1.6L – How To Test Civic TPS
The P0121 Honda OBDII Diagnostic Trouble Code occurs when your Honda Civic D16 ECU receives a throttle position signal that's lower than...
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...
