Fuel System - MIL ON, DTC P2293,P2294/P0087 Stored
01 MIL on, DTC P2293, P2294 and/or P0087 stored in engine control module 2.0TFSI EA888
01 12 56
2031368/1
October 29, 2012.
Affected Vehicles
Condition
Audi A4 Quattro Sedan (8K2) L4-2.0L Turbo (CAEB) Page 17
^ MIL on
^ Engine misfire
^ Poor performance.
Technical Background
Unnecessary High Pressure Fuel Pumps replacement due to Guided Fault Finding test plans not being performed or interrupted when the following
DTCs are present in the engine control module:
^ P2294 - Fuel Pressure Regulator 2 Control Circuit/Open
^ P2293 - Fuel Pressure Regulator 2 Performance
^ P0087 - Fuel Rail/System Pressure - Too Low
Production Solution
Does not apply.
Service
1. Verify customer complaint.
2. Check vehicle systems via Guided Fault Finding.
3. Complete the GFF test plan for all DTCs stored in engine control module to determine the cause of the malfunction. (do not interrupt or skip
any test plans)
4. Only replace the high pressure fuel pump if Guided Fault Finding instructs to do so as a result of a Test Plan.
Note:
Before performing any diagnostic work ensure the Audi Base and Brand software level is current in the VAS Tester.
Warranty
For payment processing, Guided Fault Finding logs must be documented identifying that the high pressure fuel pump is faulty. All claims are subject
for review.
This TSB is informational only.
Required Parts and Tools
VAS Tester with current Audi Base and Brand software installed.
Additional Information
All parts and service references provided in this TSB are subject to change and/or removal. Always check with your Parts Department and service
manuals for the latest information.
