01 Engine: Driving Behavior, Functional Restrictions Due To Diesel Detected In Petrol (Diesel/Gasoline Mixture) (GROUP 01, NO. 24-34)

01 ENGINE: DRIVING BEHAVIOR, FUNCTIONAL RESTRICTIONS DUE TO DIESEL DETECTED IN PETROL (DIESEL/GASOLINE MIXTURE)

TECHNICAL SERVICE BULLETIN

SERVICE INFORMATION

01 24 34 2074976/1 August 30, 2024.

Model(s)	Year	VIN Range	Vehicle-Specific Equipment
All Audi vehicles	2013 - 2024	All	Not Applicable

CONDITION

Customer states: 

• Driving issues such as juddering.

  and/or 

• Starting problems; the engine starts with a delay.

  and/or 

• The exhaust emissions warning lamp lights up in the instrument cluster.

  and/or 

• The EPC (electronic throttle) warning lamp lights up in the instrument cluster.

Workshop findings: 

• During diagnosis or repair work, it is suspected due to the complaint/damage found that the wrong type of fuel has been added (diesel detected in gasoline).

TECHNICAL BACKGROUND 1

To find out whether the wrong type of fuel has been added, proceed as follows: 

Take a paper towel (if possible, use commercially available blotting paper); add a few drops of:

• Diesel (1) 
• Fuel from the vehicle (2) 
• Gasoline (3) 
• Then let the fuel evaporate and assess whether it is petrol or petrol and diesel mixture. If it is a mixture of petrol and diesel, the fuel tank must be discharged, and the fuel lines/system must be cleaned thoroughly.

PRODUCTION SOLUTION

Not applicable.

SERVICE

If the wrong type of fuel has been added to the tank, this is not a fault that is covered under warranty. Any expenses for this repair work must be covered by the customer.

WARRANTY

This TSB is informational only and not applicable to any Audi Warranty.

ADDITIONAL INFORMATION

All part and service references provided in this TSB (2074976)  are subject to change and/or removal. Always check with your Parts Department and/or ETKA for the latest information and parts bulletins. Please check the Repair Manual for fasteners, bolts, nuts, and screws that require replacement during the repair.

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