AutoCodes - Volkswagen - P1166 VOLKSWAGEN

P1166 VOLKSWAGEN Code - Bank 1 Long Term Fuel Trim Range 2 Rich Upper Limits Exceeded

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3
Table of contents

|P1166 VOLKSWAGEN code possible causes

  • High fuel pressure-Blocked return system or failed pressure regulator
  • Faulty fuel injector
  • EVAP purge solenoid stuck open
  • Cylinder misfire
  • Correct other codes first

|How do I fix the P1166 VOLKSWAGEN code?

Check 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.

|Cost of diagnosing the P1166 VOLKSWAGEN code

Labor: 1.0

The cost of diagnosing the P1166 VOLKSWAGEN code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are P1166 VOLKSWAGEN code possible symptoms?

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

|P1166 VOLKSWAGEN code description

Bank 1 Long Term Fuel Trim Range 2 Rich Upper Limits Exceeded is the generic description for the P1166 Volkswagen code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information about the P1166 Volkswagen OBDII code.

Still have questions? Please post your question on our Comments Section below for more information.

OBDII Code P1166 Volkswagen - Bank 1 Long Term Fuel Trim Range 2 Rich Upper Limits Exceeded -

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|P1166 VOLKSWAGEN code comments

Help us improve Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the P1166 Volkswagen code? Have you replaced any parts?
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Repair Importance Level: 3
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