Audi A4 B7: Exhaust Tips, No DPF, 2.0 TDI BLB

Hello!

My Audi A4, manufactured in May 2005, model B7 8E, 2.0 TDI BLB engine, without DPF (Diesel Particulate Filter), with Multitronic transmission, and without chip tuning.
km: 37,000
Issue: Intermittent shaking while stopped.
Engine temperature: Normal.
Error memory: Empty.
According to the Audi dealer, it's the AGR valve. I then tried to disable the AGR valve, but it didn't work because...
'It immediately went into emergency mode. I bought a VAG-COM/OBD2 diagnostic professional system KKL+CAN (USB) and tried to find the error, but unfortunately without success.'
Not enough experience with VCDS (formerly VAG-COM).

If the engine is idling roughly, the RPM doesn't change.
If anyone has any idea what this might be, please let me know.

Thank you in advance.

Markus Kasbauer.

Log the measurement blocks 13-18-23 of the MSG when the error occurs, and upload the log file.

What is the VAG part number and software version of the engine control unit?

Best regards, Rainer.

I had the same problem, and in my case, it was the PDE cable harness in the crankcase.
After it was replaced, it's been trouble-free for 100,000 km.

Everything else is in my post from back then (you can find it by searching for "BLB").

Frank G.

...do you mean the cylinder head housing...?