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2018 MAZDA MX-5 MIATA

2.0L I4RWDMANUALgas
Repairs0Labor520Torque6066Fluid7DTC917Battery0Maintenance0Recalls0
P2119moderate severityPowertrain

Throttle Actuator Control Throttle Body Range/Performance

on 2018 Mazda MX-5 Miata 2.0L I4 · RWD

What this code means

The throttle body is not achieving commanded positions within expected tolerance.

Symptoms

  • Hesitation
  • Check engine light
  • Rough idle
  • Inconsistent throttle feel

Common causes

  • Worn throttle body bore
  • Carbon deposits
  • TPS drift
  • Weak motor

Diagnostic steps

  1. Monitor TPS vs commanded position
  2. Clean throttle body
  3. Check for mechanical issues

Repair notes

Clean throttle body. Replace if worn beyond tolerance.

Other Powertrain codes on this vehicle

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