07 Audi A4starting issue.

[YASHA7FOLD]

So my boss has an 07 A4 with the 2.0t. When the car's engine is cold it runs fine but as soon as the engine warms up to temp if you shut it off it want start it just cranks. It has thrown a fault code P0658 if that helps. If anyone has any clues as to whats up let me know. Thanks

[Ramrod]

Couldn't find anything on that specific code number. It's not an audi specific one, but it's not on the list. http://www.obd-codes.com/trouble_codes/
A little more research turned up this: http://www.audiforums.com/forum/b7-mode ... =ccm-ext-1
It appears that B7's have trouble with their cam followers.

DIY Link to check it out: http://freepdfhosting.com/8791e81dac.pdf

[YASHA7FOLD]

Thanks for the info. I am at work so I cant do much research for now.

[Jd3]

that is a great write up for cam follower replacement........

[Mikewire]

P0658 is a TCU/powertrain error. Is there a CEL?

Actuator Supply Voltage "A" Circuit Low

I don't see why that code wouldn't let it start, but since that's a generic code I suspect there's something else going on, and there's probably more codes.

Could be something as simple as a bad/low charged battery, or dirty/corroded terminals, bad/faulty alternator...low voltage basically.

[YASHA7FOLD]

We will see.