Hello, I am a newby and am having real problems with getting to the bottom of a problem. My Engine warning light came on about a month ago and i took it to an audi dealership who said it was a problem with either the catalyst or lambda sensor. Opting for what seemed like the most probable cause i had the lambda sensor (pre cat) replaced. The car drove really well for 3-4days then the warning light appeared again!
Lookig on the forums here i decided to buy one of the vagcom diagnostic kits that plug into your laptop and i got the following fault code:
16804- catalyst system: Bank 1: Efficiency below threshold
This was the same fault code the dealership told me BEFORE the lambda sensor was replaced and now i am getting it again.It turns out the previous owner had changed the catalyst not long ago so the likelyhood of it being that is reduced i guess. The car itself has been really playing up...lack of power,no pull under acceleration, hesitating under acceleration and i think it may be getting worse.
Please does anyone have any ideas?? I'm lost!! Thanks
Lookig on the forums here i decided to buy one of the vagcom diagnostic kits that plug into your laptop and i got the following fault code:
16804- catalyst system: Bank 1: Efficiency below threshold
This was the same fault code the dealership told me BEFORE the lambda sensor was replaced and now i am getting it again.It turns out the previous owner had changed the catalyst not long ago so the likelyhood of it being that is reduced i guess. The car itself has been really playing up...lack of power,no pull under acceleration, hesitating under acceleration and i think it may be getting worse.
Please does anyone have any ideas?? I'm lost!! Thanks