ECO gauge (if equipped)
Initial illumination for system checkDtc p0420 catalyst system efficiency below threshold bank 1
ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P0420 CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD BANK 1DTC detecting condition:Detected when two consecutive driving cycles with fault occur.Trouble symptom:• Engine stall• Idle mixture is out of s ...
Initial illumination for system check
When the ignition switch of the Subaru Ascent is turned to the "ON" position,
multiple warning and indicator lights illuminate briefly and then turn off. This
built-in self-check confirms that the systems and indicator bulbs are functioning
correctly.
To perform this system check, a ...
Dtc p2127 throttle/pedal position sensor/switch "e" circuit low
ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P2127 THROTTLE/PEDAL POSITION SENSOR/SWITCH "E" CIRCUIT LOWDTC detecting condition:Immediately at fault recognitionTrouble symptom:• Improper idling• Poor driving performanceCAUTION:After ...