Engine-Codes - Volkswagen - P1129 VOLKSWAGEN

P1129 VOLKSWAGEN - Long Term Fuel Trim B2 System Too Rich

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

P1129 VOLKSWAGEN Possible Causes

  • Faulty Mass Air Flow (MAF) sensor
  • High fuel pressure
  • Canister purge solenoid stuck open
  • Faulty HO2S bank 1

How is the P1129 VOLKSWAGEN code repair?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

What is the cost to diagnose the P1129 VOLKSWAGEN code

Labor: 1.0

The cost to diagnose the P1129 VOLKSWAGEN code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
How much do you know about cars?

Take the AutoCodes.com automotive tests and turbo-charge your car repair knowledge

Play Now

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1129 VOLKSWAGEN Meaning

Long Term Fuel Trim B2 System Too Rich is the generic description for the P1129 Volkswagen code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information abouth the P1129 Volkswagen OBDII code.

Still have questions? Please post your question on our Comments Section of the main page for more information.

More Information

Need more information on how to fix the P1129 VOLKSWAGEN code?
Get Access to Factory Service Manuals

Need more help?

Get the P1129 Volkswagen code diagnosed by a professional: Find a repair shop in your area