Engine Error
P0221
Throttle/Pedal Position Sensor/Switch B Circuit Range/Performance
Severity
High
Symptoms
Erratic idle, surging, limited engine power
Common Causes
- Worn internal tracks in TPS sensor
- Dirty throttle body
- Poor ground connection to TPS
- Failed accelerator pedal sensor
How to Fix
- 1 Replace TPS or throttle body
- 2 Clean throttle body
- 3 Clean ground connections
- 4 Replace pedal assembly
Estimated Repair Cost
USD
$50
–
$400
Cleaning: $50 - $100; TPS/Pedal replacement: $150 - $400