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2002 MAZDA MX-5 MIATA

1.8L I4RWDMANUALgas
Repairs0Labor516Torque3904Fluid7DTC697Battery0Maintenance0Recalls0
P0073low severityPowertrain

Ambient Air Temperature Sensor Circuit High

on 2002 Mazda MX-5 Miata 1.8L I4 · RWD

What this code means

The ambient air temperature sensor circuit voltage is higher than expected.

Symptoms

  • Check Engine Light
  • Very low temp display

Common causes

  • Open circuit
  • Faulty sensor
  • Disconnected connector

Diagnostic steps

  1. Test circuit voltage
  2. Check connector
  3. Test sensor resistance

Repair notes

Repair open circuit or replace sensor.

Other Powertrain codes on this vehicle

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