Finding the Mysterious Error: Troubleshooting Guide

"Good day, I'm new here and, coincidentally, I have a problem. So, here's the issue... my engine is running rough at idle, and the fuel consumption is constantly 10.9 liters, regardless of driving style (sporty/economical), and the instrument cluster is not defective. The fuel injectors are leaking evenly (all four, so I'm ruling out a leaky seal), which means there's fuel residue accumulating around the injectors on the intake manifold. Starting the engine is very unstable; if you don't give it a little more gas, the engine tends to stall, and the RPM drops significantly. When shifting gears, the throttle response feels like I'm being hit with a hammer (unharmonious). I hope you can help me. Here's some more information: it's an A3 (8L) with engine code AJQ, 1.8T. I also have a diagnostic tool and have created log files from all the engine management data blocks (while driving and at idle). So, if you need a specific data block for comparison, I can send it to you to help narrow down the problem. That's all for now, and I hope you can help me."

Please include the measurement values here. You might get help that way.

Friday, October 31, 2008, 16:35:54.
06A 906 032 BB 1.8L R4 5VT 0004

Group A: 000

Hi,

"More isn't always better. Please upload the raw CSV files as attachments. And please don't include data recorded under arbitrary conditions, but rather data relevant to the specific problem area, ideally under full load and idle conditions."

See How to Properly Record and Analyze VAG-COM/VCDS Log Files.

Best regards, Rainer.

Yes, that's correct. That's why I asked which block you need. I didn't want to overwhelm you with information (sorry about that). Unfortunately, I don't have full load capacity, only 2000 RPM to 3500 RPM... sorry, I'm not very familiar with this yet, but I do have an idle option available. Which block do you need?