P1121 MAZDA - Throttle Position Sensor Inconsistent with Mass Air Flow Sensor

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3  What does this mean?

P1121 MAZDA Possible Causes

  • Faulty Throttle Position Sensor
  • Throttle Position Sensor harness is open or shorted
  • Throttle Position Sensor circuit poor electrical connection

First diagnose P1121 MAZDA code

    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 terminals.

Cost of diagnosing the P1121 MAZDA code

    Labor: 1.0

    The cost of diagnosing the P1121 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.

P1121 MAZDA Possible Symptoms

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

P1121 MAZDA Meaning

Sensor signal output not consistent with engine load measurement
OBDII Code P1121 MAZDA - Throttle Position Sensor Inconsistent with Mass Air Flow Sensor - Engine-Codes.com

P1121 MAZDA More Information

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