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Home/DTC Codes/Mitsubishi/Lancer/2011-2011 2.4L I4/P0073
P0073

Ambient Air Temperature Sensor Circuit High

2011-2011 Mitsubishi Lancer 2.4L I4

Low SeverityPowertrainGeneric (SAE)

The 2011 Mitsubishi Lancer is equipped with a 2.4L inline-4 engine. Below you'll find detailed p0073 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.

Description

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.

Related Codes

P0070Ambient Air Temperature Sensor CircuitP0072Ambient Air Temperature Sensor Circuit Low

Other Powertrain Codes

P0073 on Other Vehicles

Mitsubishi 3000GT

1996-1996 3.0L V6 Twin Turbo

Mitsubishi 3000GT

1997-1997 3.0L V6 Twin Turbo

Mitsubishi 3000GT

1998-1998 3.0L V6 Twin Turbo

Mitsubishi 3000GT

1999-1999 3.0L V6 Twin Turbo

Mitsubishi Colt JP

2002-2002 1.3L I4 4A90

Mitsubishi Colt JP

2002-2002 1.5L I4 4A91

Mitsubishi Colt JP

2003-2003 1.3L I4 4A90

Mitsubishi Colt JP

2003-2003 1.5L I4 4A91

Common Questions

What does code P0073 mean on a 2011-2011 Mitsubishi Lancer?

P0073 stands for "Ambient Air Temperature Sensor Circuit High". The ambient air temperature sensor circuit voltage is higher than expected.

What are the symptoms of P0073 on a Mitsubishi Lancer?

Common symptoms of P0073 include: Check Engine Light, Very low temp display.

What causes P0073 on a 2011-2011 Mitsubishi Lancer?

Common causes of P0073 include: Open circuit, Faulty sensor, Disconnected connector.

Last updated: March 2026

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