FixVault
Home
›
Saturn
›
2007
›
Ion Red Line
›
Repair and Diagnosis
›
Engine Performance
›
System
›
Engine Controls And Fuel - DTC P0017 To DTC P0122
›
DTC P0121
›
Conditions for Setting the DTC
Conditions for Setting the DTC
The PCM detects that the calculated airflow rate is more than expected for more than 10 seconds.