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P0664

Overview

Code

P0664

Code Type

P

Code Class

P0

System

Engine

Severity Level

Medium

Emissions Related

true

Drivability Impact

Major

Diagnostic Protocol

OBD2

Freeze Frame Useful

true

Code Definition

Diagnostic trouble code P0664 indicates a malfunction in the intake air temperature sensor circuit

Symptoms

Poor fuel economy Engine misfire

Overview applies to this diagnostic code.

Affected Systems

On This Page

  • Code Definition

  • Symptoms

  • Affected Systems

  • Possible Causes

  • Diagnostic Steps

  • Drive Safety Notes​

More Resources

Intake air temperature sensor

Possible Causes

Faulty intake air temperature sensor Wiring issues

Diagnostic Steps

1 Inspect intake air temperature sensor 2 Test sensor output

Drive Safety Notes

Air intake issues can lead to engine inefficiency

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