P0120

Throttle Pedal Position Sensor/Switch A Circuit Malfunction

HIGH SEVERITY

Affects: Tiggo 4, Tiggo 7

Reviewed by Certified Automotive Mechanic · Last updated: July 2026

Quick Fix Summary

Severity
HIGH
Est. Cost
$150 - $500 AUD
Top Cause
Faulty throttle position sensor

Common Causes

  • Faulty throttle position sensor
  • Wiring issue
  • Dirty throttle body

How to Fix

  1. 1Clean throttle body
  2. 2Test TPS sensor
  3. 3Replace sensor if faulty

Estimated Repair Cost (Australia)

$150 - $500
AUD

*Cost varies by model, location, and service provider. Get multiple quotes.

⚠️ Disclaimer: This information is for educational purposes only and does not constitute professional mechanical advice. Always consult a certified automotive technician for accurate diagnosis and repair. Repair costs are estimates based on Australian market data (July 2026) and may vary by location, model year, and service provider.

Safety notice: Fault codes related to engine, transmission, or braking systems should be addressed immediately. Delaying repairs may result in further damage or safety hazards.

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Frequently Asked Questions

What does P0120 mean on a Chery?

P0120 means throttle pedal position sensor/switch a circuit malfunction. The most common cause is a faulty O2 sensor or exhaust leak.

How much does it cost to fix P0120 on a Chery?

Repair costs for P0120 typically range from $150 to $500 AUD, depending on the root cause.

Can I still drive with P0120 code?

P0120 is a high severity code. Reduce driving and get it diagnosed as soon as possible to avoid further damage.

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