TimoPete

Audi TT 2004: Erratic engine, increased fuel consumption and black smoke - lambda sensor defective?

Hi everyone, I have a question. My 2004 Audi TT has been acting up recently. When I accelerate, black smoke comes out of the exhaust, the check engine light is constantly on and it no longer pulls properly. The engine runs totally erratically and twitches when accelerating. As if that wasn't enough, it also draws more fuel than usual. I suspect the lambda sensor could be the culprit, but I wanted to hear your opinions on this. Have any of you had similar problems and how did you get it fixed at the garage? What was your experience? I would appreciate a few tips.

(Translated from German)

12 comment(s)

Where is the lambda sensor bank 1 sensor 1 on the Audi A5 tdi3L Sportback 2016?

(Translated from German)

Quotation:
@Jürgen69 wrote on
Where is the lambda sensor bank 1 sensor 1 on the Audi A5 tdi3L Sportback 2016?

Hi Jürgen69, the lambda sensor Bank 1 Sensor 1 is typically located before the catalytic converter in the exhaust system. It's usually close to the engine. However, the exact location can vary depending on the engine layout. I would recommend referring to your vehicle's service manual for the exact location. Please let us know if you need further assistance.

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