Engine-Codes - Audi - P1166 AUDI

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

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3  What is this?
Table of contents

P1166 AUDI 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 is the P1166 AUDI 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 P1166 AUDI code

Labor: 1.0

The cost to diagnose the P1166 AUDI 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.
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Possible Symptoms

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

P1166 AUDI Meaning

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

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More Information

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