Engine-Codes - Mazda - P1120 Mazda

P1120 Mazda Code - Throttle Position Sensor Out Of Range

- Code Popularity: 9,500 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 2/3
Table of contents
ChatAC AutoCodes.com AI Chat

What are the Possible Causes of the DTC P1120 Mazda?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty throttle position sensor
  • Throttle position sensor harness is open or shorted
  • Throttle position sensor circuit poor electrical connection
  • Throttle position sensor not properly adjusted
⚠ Does your Mazda have Safety Recalls? → Check here

How to Fix the DTC P1120 Mazda?

Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Search for P1120 Mazda Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P1120 Mazda code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

When is the Code Detected?

Malfunction is detected when voltage from the sensor is sent to Engine Control Module (ECM) is out of range.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

What Does the P1120 Mazda Code Mean?

The Throttle Position Sensor (TPS) responds to the accelerator pedal movement. This sensor is a kind of potentiometer which transforms the throttle position into output voltage, and emits the voltage signal to the Engine Control Module (ECM). In addition, the sensor detects the opening and closing speed of the throttle valve and feeds the voltage signal to the ECM.

P1120 Mazda Code - Throttle Position Sensor Out Of Range

Need more Information on the Code?

Need more information on how to fix the P1120 Mazda code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1120 Mazda code diagnosed by a professional: Find a repair shop in your area