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P0694

Overview

Code

P0694

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 P0694 indicates a malfunction in the mass air flow (MAF) sensor circuit

Symptoms

Rough idle Poor fuel economy

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

Mass air flow sensor

Possible Causes

Faulty MAF sensor Clogged air filter

Diagnostic Steps

1 Inspect MAF sensor 2 Test sensor output

Drive Safety Notes

A malfunctioning MAF sensor can lead to poor engine performance

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