Ok, I'm new to the new Audi's and am hoping somebody here can help me.

I bought a 2007 A4 Quattro with the 2.0T about two weeks ago with 108,000 miles on it. Yesterday I was having trouble getting our of a parking lot with traffic and drove it harder than I normally would. It went to about 6000 RPM. Right after that the low oil pressure red light came on followed almost immediately by the CEL. I drove it for a couple of blocks to get to a parking lot. As I pulled into the parking lot the engine died and won't start. It almost acts as if the battery is dead. The car had been running great until this happened. I pulled the cover for the timing belt and it looks like the belt is fine (hadn't broken).

I'm not sure where to start. I have read the low oil pressure could e caused by the screen in the oil pick up tube getting clogged and am curious if it got clogged when I revved the engine.

Has anybody experienced this scenario before? Any help is appreciated? Thanks.

 

Start by getting the codes that tripped the CEL.

 

I did that already. The only code that came up was the P000A, Cam Position Sensor.

 

Missed that in the subject line. Have you pulled the HPFP and checked the cam follower, cam lobe, and HPFP piston? It usually throws more codes than that, but it's possible someone threw a new follower in there to hide the problem. If it wore through, you could have residue in the engine that very well could've been sucked into the screen and blocked the pickup tube. People usually drop the oil pan, clean that out, flush some oil through the engine, and replace the filter. A magnetic drain plug wouldn't hurt either. I've not had to go through that, so I'm not sure how labor intensive it is. If the HPFP and cam lobe are worn, but the follower looks new, you probably need to replace the HPFP and cam. Unfortunately, someone replacing the follower to hide it will probably keep you from qualifying for Audi's extended warranty on those parts.

I'm not sure what you mean about it acting as if the battery is dead. Hopefully you didn't starve it of oil and seize the engine.

 

I was meaning that it acted as if it didn't have enough power at the battery to run the starter. I actually took it to a friend's shop yesterday and it started up and idles smooth, but sounds horrible. HE thinks I may have to replace the cam and possibly so some head work. Sad this is I just bought the car not even three weeks ago and drove it less than 600 miles before this happened. Thanks for input. I'm sure I'll be learning a lot on these cars like I have for my other cars.

 

Well, that's a good sign that it started. Another problem spot that lends itself to running very badly is the cam chain tensioner at the back of the engine. You have a timing belt in the front and a cam chain in the back. The tensioners can fail causing the chain to slip.

Sounds like you've got some teardown to do to really find out what's going on, though. Good luck!

 

Thanks for the input. I just got a call from the mechanic and he said the oil pump is out and it will cost me $3,000 to fix and that doesn't include if there's any other damage.