What does OBD2 code P0221 mean?+
P0221 stands for Throttle/Pedal Position Sensor/Switch B Circuit Range/Performance Problem. The secondary throttle position sensor (Sensor B) reading is out of the expected range compared to Sensor A.
What causes code P0221?+
Faulty throttle body; Carbon buildup affecting throttle plate; Wiring fault
How do I fix code P0221?+
Clean throttle body; Compare sensor A and B readings with scan tool; Replace throttle body if sensors disagree
How much does it cost to fix P0221?+
Estimated repair cost for P0221 is $200-$500.
Is P0221 DIY-friendly?+
P0221 typically requires professional equipment and a qualified mechanic.