Question about 2009 Audi A4
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Posted on Jan 02, 2017
It's possible that the diverter valve (DV) has failed. The OEM valve has a plastic diaphragm inside and it can crack. If this happens, the car will leak boost air and will lose power as a result. Go to www.audiworld.com, click on Resources, then Tech, and then go to the engine article about replacing/upgrading the diverter valve - it'll show you where it is and how to do it.
Posted on Mar 27, 2009
Is a pressure converting element on the block. Can be leak or shot. Or wire harnes problem worst case. If leak you see dripping oil mostly. Had that 2 times on a car.
Posted on Apr 16, 2009
SOURCE: warning light on audi a4
This is the indicator for ESP (stability control). If you look on your dash, you'll see a button with, you guessed it, ESP written on it. This allows you to turn your stability control on and off. If your light is on constantly, try pushing the ESP button. If it flashes on and off (ie during hard driving) this simply means it is working.
Posted on May 28, 2009
Testimonial: "thanks, "
Inside the boot is a plastic cap embeded in the boot liner. Remove the cap to reveal a screw. Undo the screw and the whole rear light cluster will come away in a sideways and not rearward direction to reveal all of the bulbs. Hope this helps.
Posted on Jul 11, 2009
Press and hold BOTH right and left panel knobs while turning the ignition key to the ON position, the regular ligts come up and cycle. The message 10000 miles till next service should come up meanng the service is reset till next service cycle.
Posted on Jan 09, 2010
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