AutoCodes – Audi – P1130 Audi

P1130 Audi Code - Long Term Fuel Trim B2 System Too Lean

Quick Answer

The Engine Control Module (ECM) monitors the Long-Term Fuel Trim B2 System. Common causes include Faulty Oxygen Sensor, Faulty Mass Air Flow (MAF) Sensor, Low fuel pressure. 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: P1130 Audi indicates Long Term Fuel Trim B2 System Too Lean.
Common causes: Common causes include Faulty Oxygen Sensor, Faulty Mass Air Flow (MAF) Sensor, Low fuel pressure.
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 13,059

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 19, 2021

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1130 Audi Description

The Engine Control Module (ECM) monitors the Long-Term Fuel Trim B2 System. The ECM sets the OBDII code when the Long-Term Fuel Trim B2 System is not to factory specifications.

OBDII Code P1130 Audi - Long Term Fuel Trim B2 System Too Lean - AutoCodes.com — P1130 Audi Code - Long Term Fuel Trim B2 System Too Lean

What does this mean?

What are the Possible Causes of the DTC P1130 Audi?

Faulty Oxygen Sensor
Faulty Mass Air Flow (MAF) Sensor
Low fuel pressure
Canister purge solenoid stuck open
Oxygen Sensor harness is open or shorted
Oxygen Sensor circuit poor electrical connection

How to Fix the DTC P1130 Audi?

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 P1130 Audi 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.

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Need more information on how to fix the P1130 Audi code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1130 Audi 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 P1130 Audi Code

1. What does the OBDII code P1130 mean on an Audi?

P1130 indicates that the long-term fuel trim on bank 2 is too lean, meaning the engine is receiving too much air or not enough fuel on that side.

2. What are the common symptoms of P1130 in an Audi?

Symptoms may include poor engine performance, rough idling, reduced fuel efficiency, hesitation during acceleration, or an illuminated check engine light.

3. What causes the P1130 code on an Audi?

Common causes include vacuum leaks, a faulty oxygen sensor, a dirty or failing mass airflow (MAF) sensor, fuel injector issues, or a malfunctioning fuel pressure regulator.

4. Can a vacuum leak trigger the P1130 code in an Audi?

Yes, a vacuum leak can cause excessive air to enter the engine, leading to a lean condition and triggering the P1130 code.

5. How is the P1130 code diagnosed on an Audi?

Diagnosis typically involves scanning the vehicle with an OBDII tool, inspecting for vacuum leaks, testing the oxygen sensors, checking the MAF sensor, and evaluating fuel system components.

6. Can a dirty mass airflow (MAF) sensor cause P1130 in an Audi?

Yes, a dirty or failing MAF sensor can provide incorrect airflow readings, leading to a lean condition and triggering the P1130 code.

7. Is it safe to drive an Audi with the P1130 code?

While it may be possible to drive for a short time, prolonged driving with a lean condition can damage the engine and catalytic converter, so repairs should be addressed promptly.

8. How can I fix the P1130 code on my Audi?

Fixing the P1130 code may involve repairing vacuum leaks, cleaning or replacing the MAF sensor, replacing a faulty oxygen sensor, or addressing fuel delivery issues.

9. Can bad fuel injectors cause the P1130 code in an Audi?

Yes, clogged or malfunctioning fuel injectors can reduce fuel delivery, causing a lean condition and triggering the P1130 code.

10. Will replacing the oxygen sensor fix the P1130 code on an Audi?

Replacing the oxygen sensor may fix the issue if itâ€™s the root cause, but itâ€™s essential to diagnose the problem thoroughly to rule out other potential causes like vacuum leaks or fuel system problems.