P1138 AUDI - Long Term Fuel Trim Add. Fuel B2 System Too Lean
P1138 AUDI Possible Causes
- Intake air leak
- Faulty O2 Sensor
- Faulty Mass Air Flow (MAF) Sensor
- O2 Sensor harness is open or shorted
- O2 Sensor circuit poor electrical connection
How is the P1138 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.
User Submitted Video
What is the cost to diagnose the P1138 AUDI code
Labor: 1.0The cost to diagnose the P1138 AUDI 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.
- Engine Light ON (or Service Engine Soon Warning Light)
P1138 AUDI MeaningLong Term Fuel Trim Add. Fuel B2 System Too Lean is the generic description for the P1138 Audi code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information abouth the P1138 Audi OBDII code.
Still have questions? Please post your question on our Comments Section of the main page for more information.
More InformationNeed more information on how to fix the P1138 AUDI code?
Get Access to Factory Service Manuals