light grey smoke when starting vehicle and wet black fluid in exhaust pipe on 2007 Lexus GS350

car runs perfectly no other problems.

1 answer
Check for codes, it may be running very rich. Also put the car on a smog machine and have the emissions checked. If the car is burning oil or running too rich, it will be obvious from the tail pipe emissions.

here are some shops:

https://repairpal.com/directory?address=92374&car_brand_names=Lexus