AutoCodes – Generic – P1074

P1074 Code - Mass Air Flow Sensor 2 Signal Too Large

Quick Answer

P1074 indicates Mass Air Flow Sensor 2 Signal Too Large. Common causes include Faulty Mass Air Flow Sensor, Mass Air Flow Sensor harness is open or shorted, Mass Air Flow Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P1074 indicates Mass Air Flow Sensor 2 Signal Too Large.
Common causes: Common causes include Faulty Mass Air Flow Sensor, Mass Air Flow Sensor harness is open or shorted, Mass Air Flow Sensor circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 6,677

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 07, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1074 Description

OBDII Code P1074 - Mass Air Flow Sensor 2 Signal Too Large - AutoCodes.com — P1074 Code - Mass Air Flow Sensor 2 Signal Too Large

What does this mean?

What are the Possible Causes of the DTC P1074?

Faulty Mass Air Flow Sensor
Mass Air Flow Sensor harness is open or shorted
Mass Air Flow Sensor circuit poor electrical connection

How to Fix the DTC P1074?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1074 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1074 code?

Need more information on how to fix the P1074 code? Get Access to Factory Service Manuals

Need Help with the Code?

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Information for Specific Makes

P1074 Audi — Mass Air Flow Sensor 2 Signal Too Large
P1074 Dodge — A/C Select Circuit High
P1074 Volkswagen — Mass Air Flow Sensor 2 Signal Too Large

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.