Oil leaks from the camshaft drive pulleys and variable valve timing hydraulics are common. If the variable valve timing hydraulics is leaking, the Check Engine Light may illuminate from inaccurate valve timing.
Average mileage: 120,000 (96,000–144,000)
Engines affected: 3.0L V6, 3.2L V6
7 people reported this problem
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It took a lot of trial and error for the Audi specialist to figure what was throwing the code. He finally discovered one of the four variable valve timing sensors was leaking oil causing rough starting and running. The other three were starting to deteriorate as well. Looking on Youtube, these are not difficult to replace yourself.
We would have our oil changed on regular intervals at the local dealership only to have the "Oil Level Low" light to come on within the first 1000 miles. After having this happen 4 times, we had an import auto repair shop look at it and showed us that the Valve cover gasket, Oil filter gasket, valley gasket, and tensioner pulley gasket were all leaking. The only reason we didn't see the amount of oil on the garage floor was the oil would leak when the car was moving and the under engine cowl was catching most of the oil. We're still trying to find the leak in the power steering pump as well.