AutoCodes – Volkswagen – P1142 Volkswagen

P1142 Volkswagen Code - Load Calculation Cross Check Lower Limit Exceeded

Quick Answer

P1142 Volkswagen indicates Load Calculation Cross Check Lower Limit Exceeded. Common causes include Faulty Mass Air Flow (MAF) 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: P1142 Volkswagen indicates Load Calculation Cross Check Lower Limit Exceeded.
Common causes: Common causes include Faulty Mass Air Flow (MAF) 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 39,036

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 30, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1142 Volkswagen Description

OBDII Code P1142 Volkswagen - Load Calculation Cross Check Lower Limit Exceeded - AutoCodes.com — P1142 Volkswagen Code - Load Calculation Cross Check Lower Limit Exceeded

What does this mean?

What are the Possible Causes of the DTC P1142 Volkswagen?

Faulty Mass Air Flow (MAF) Sensor
Mass Air Flow Sensor harness is open or shorted
Mass Air Flow Sensor circuit poor electrical connection
Check for vacuum leaks

How to Fix the DTC P1142 Volkswagen?

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 P1142 Volkswagen 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 P1142 Volkswagen code?

Need more information on how to fix the P1142 Volkswagen code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1142 Volkswagen code diagnosed by a professional: Find a repair shop in your area

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.

Frequently Asked Questions about P1142 Volkswagen Code

1. What are the common symptoms of OBDII code P1142 in a Volkswagen related to load calculation cross check lower limit exceeded?

- Common symptoms may include a Check Engine light illuminated on the dashboard, reduced engine performance, and potential stalling or rough idling.

2. What could cause the OBDII code P1142 in a Volkswagen indicating load calculation cross check lower limit exceeded?

- The code may be triggered by a faulty mass airflow sensor (MAF), a vacuum leak in the intake system, or issues with the engine's air-fuel ratio.

3. How can I diagnose the OBDII code P1142 in a Volkswagen?

- Diagnosis typically involves using an OBDII scanner to retrieve the code, checking the MAF sensor for proper operation, inspecting the intake system for leaks, and analyzing the air-fuel ratio.

4. Can a dirty air filter trigger the OBDII code P1142 in a Volkswagen?

- Yes, a clogged or dirty air filter can disrupt the proper airflow to the engine, potentially leading to issues with load calculation and triggering the P1142 code.

5. What repair tips can help resolve the OBDII code P1142 in a Volkswagen?

- Repair tips may include cleaning or replacing the MAF sensor, fixing any vacuum leaks in the intake system, ensuring the air filter is clean, and verifying the proper functioning of related components.

6. Is it safe to continue driving with the OBDII code P1142 in a Volkswagen?

- It is recommended to address the underlying issue causing the code as soon as possible to prevent potential damage to the engine or other components. Continuing to drive with the issue unresolved may lead to further problems.

7. Can a DIY enthusiast fix the OBDII code P1142 in a Volkswagen?

- Depending on the root cause of the code, DIY enthusiasts with automotive repair experience may be able to address the issue by following repair guides or consulting with professionals for guidance.

8. How much does it typically cost to repair the OBDII code P1142 in a Volkswagen at a mechanic or dealership?

- Repair costs can vary depending on the specific cause of the code and the labor rates of the service provider, but it is advisable to obtain multiple quotes for the diagnosis and repair.

9. Are there any recalls or technical service bulletins related to the OBDII code P1142 in Volkswagen vehicles?

- It is recommended to check with Volkswagen dealerships or online resources for any recalls or technical service bulletins specific to the P1142 code in your vehicle model and year.

10. Can resetting the OBDII code P1142 in a Volkswagen temporarily solve the issue?

- Resetting the code may temporarily turn off the Check Engine light, but it will not fix the underlying problem causing the code. It is essential to diagnose and address the root cause for a lasting repair.