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P1123 Audi Code - Long Term Fuel Trim Adjustment Bank 1 System Too Rich

- Code Popularity: 4,299 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1123 Audi?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty HO2S
  • Faulty Mass Air Flow Sensor
  • High fuel pressure
  • Canister purge solenoid stuck open
  • HO2S harness is open or shorted
  • HO2S circuit poor electrical connection
⚠ Does your Audi have Safety Recalls? → Check here

How to Fix the DTC P1123 Audi?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1123 Audi code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

Code P1123 Audi Description

Long Term Fuel Trim Adjustment Bank 1 System Too Rich is the generic description for the P1123 Audi code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information about the P1123 Audi OBDII code.

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OBDII Code P1123 Audi - Long Term Fuel Trim Adjustment  Bank 1 System Too Rich - AutoCodes.com
P1123 Audi Code - Long Term Fuel Trim Adjustment Bank 1 System Too Rich

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Code P1123 Audi comments

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