Engine-Codes - Mazda - P1120 MAZDA

P1120 MAZDA - Throttle Position Sensor Out Of Range

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3  What is this?
Table of contents

P1120 MAZDA Possible 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

How is the P1120 MAZDA code repair?

Start by checking 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's pins.

What is the cost to diagnose the P1120 MAZDA code

Labor: 1.0

The cost to diagnose the P1120 MAZDA code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs 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.

Possible Symptoms

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

P1120 MAZDA Meaning

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.

More Information

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