Hi!
I just posted my A4 pic in the show me your B7 thread.
I am alos experiencing big problem with my car's engine.
Although I'm living around 800 km from Audi headquarters the case remains unsolved for more than months already.
I was planning to mod my engine so I went for powertrain tests first, in order to know what was the power increase after the mod.
Imagine how surprised I was when a guy told me - Man - first fix your car, then come for a chip.
Please look at attached graph comparing my A4 to the same engine from VW Passat.
What do you think could the problem be?
It's not turbo as AUDI service center says everything is fine and computer doesn't show ANY problems.
Lukasz

umm you need more information then the chart to explain what went wrong, you could have a clogged airfilter, you could have a misfire in your engine, it could very well be the turbo seeing as how you extremly lagging in power, it could be a software problem, you could have a leak in your hoses, actually that last one might be the issue, if your leaking boost everything can seem fine because the turbo is working in order, however you still leaking boost therefore the engine isn;t getting porper amount of air

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