tronno

hi, i just purchased a 04 S4 cabriolet and its been giving me nothing but trouble and the dealership isnt cooperating. yet at least.
Well my problem here is i notice the car had its oil pressure light coming on with normal driving. but i read into it and found out it might be sludge buildup. so i got some Zmax to help clean it out. and now it only goes off at high rpm and under higher load. Expecting an oil change but the motor will need to be fix anyways..
i noticed a knocking sound from the back of the engine after a long drive so i stopped the car and let it sit. after a while started the car and it went away. made it to the dealership for a diagnostics and they said the timing chain tensioners are going out. the engine started getting random misfires also and cel flashing.
the engine has been smoking a bit since ive got it. seems like white smoke and i can smell fuel when it smokes. i was wondering if the it has to do with the timing being off or something else? so i can decide weather to fix the motor or not.
I need your opinions and expertise. please chime in thanks!!

tronno

in addition i did a compression test and my compression numbers were in the 130's

Lion Heart

Did you have any luck fixing this in the end, or at least finding out what it was??

I'm really keen to find out (similar issue).