AutoCodes – Volkswagen – P1151 Volkswagen

P1151 Volkswagen Code - Bank 1 Long Term Fuel Trim Range 1 Lean Lower Limit Exceeded

Quick Answer

P1151 Volkswagen indicates Bank 1 Long Term Fuel Trim Range 1 Lean Lower Limit Exceeded. Common causes include Low fuel pressure or volumn, Check engine for vacuum leaks, Blocked or failed fuel injector(s). 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: P1151 Volkswagen indicates Bank 1 Long Term Fuel Trim Range 1 Lean Lower Limit Exceeded.
Common causes: Common causes include Low fuel pressure or volumn, Check engine for vacuum leaks, Blocked or failed fuel injector(s).
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 23,626

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 May 03, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1151 Volkswagen Description

OBDII Code P1151 Volkswagen - Bank 1 Long Term Fuel Trim Range 1 Lean Lower Limit Exceeded - AutoCodes.com — P1151 Volkswagen Code - Bank 1 Long Term Fuel Trim Range 1 Lean Lower Limit Exceeded

What does this mean?

What are the Possible Causes of the DTC P1151 Volkswagen?

Low fuel pressure or volumn
Check engine for vacuum leaks
Blocked or failed fuel injector(s)
Mass Air Flow (MAF) sensor failure

How to Fix the DTC P1151 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 P1151 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.

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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.