Public Service: Nasty Fuel System TSB on 2.0L TFSI engine
06-20-2007, 09:54 PM
#1
AudiWorld Super User
Thread Starter
Public Service: Nasty Fuel System TSB on 2.0L TFSI engine
I ran into this TSB today on Bentley that I thought those with 2.0L TFSI engines should know about. Basically it effects high pressure fuel delivery and would show up as lack of power and hesitation.
MIL on (DTC P2293 in ECM)
15 07 02 June 18, 2007 2013147/4. Supersedes Technical Service Bulletin Group 21 number 06-04 dated Dec. 11, 2006 due to addition of description of one of the main conditions that can result in the storage of P2293.
Model(s) Year VIN Range Vehicle-Specific Equipment
A3 2006 - 2007 All
A4 2005 - 2007 All
A4 Cabriolet 2007 All
2.0TFSI Engine
Condition
MIL on. The following DTC is stored in the ECM
data memory:
? P2293 (Fuel pressure regulator 2 performance) at times in combination with:
? P0087 (Rail fuel pressure too low)? P1093 (Fuel trim 2, bank 1 malfunction)
Technical Background
Excessive wear of the cam lobe (in the intake camshaft) that drives the high pressure fuel pump. This limits the maximum pump piston lift, causing fuel rail pressure fluctuations. The wear on the cam lobe also leads to wear in the base of the high pressure fuel pump cam follower.
Production Solution
Increased surface hardening of the camshaft lobe for the high pressure fuel pump.
Improved intake camshafts have part number 06F 109 101 B.
MIL on (DTC P2293 in ECM)
15 07 02 June 18, 2007 2013147/4. Supersedes Technical Service Bulletin Group 21 number 06-04 dated Dec. 11, 2006 due to addition of description of one of the main conditions that can result in the storage of P2293.
Model(s) Year VIN Range Vehicle-Specific Equipment
A3 2006 - 2007 All
A4 2005 - 2007 All
A4 Cabriolet 2007 All
2.0TFSI Engine
Condition
MIL on. The following DTC is stored in the ECM
data memory:
? P2293 (Fuel pressure regulator 2 performance) at times in combination with:
? P0087 (Rail fuel pressure too low)? P1093 (Fuel trim 2, bank 1 malfunction)
Technical Background
Excessive wear of the cam lobe (in the intake camshaft) that drives the high pressure fuel pump. This limits the maximum pump piston lift, causing fuel rail pressure fluctuations. The wear on the cam lobe also leads to wear in the base of the high pressure fuel pump cam follower.
Production Solution
Increased surface hardening of the camshaft lobe for the high pressure fuel pump.
Improved intake camshafts have part number 06F 109 101 B.
06-21-2007, 04:30 AM
#2
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My engine hesitates a lot.
But it only does it when I first get going after the car has been sitting for a few hours. It used to only happen occassionally, now it happens everytime. I've complained to my dealer repeatedly and each time they come back with, there's no problem.
2nd Audi will probably be my last.
2nd Audi will probably be my last.
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