I was driving the other day and my subs cut out. feeling akward driving down the road with no vibrations i pulled over and the status light on my Audiobahn A4125HCT was lit up red. My first thought was a short in a sub wire or terminal so i disconnected each one in turn and then both. With no subs connected the light was still on. I waited a day to see if it would snap out of it, but it hasnt. It never overheats because i have a 4runnner and i usually have the back window down while im driving. So today i tried bypassing the cap and wired it straight to the battery still with no subs connected and the red status light is still on. Id wonder if i blew the amp except i barely had it bumping when it cut out. Any other ideas?
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Could be a vacuum leak. Buy a cheap vacuum gage and attach the hose to manifold vacuum port. Must be manifold vacuum not carb or anywhere else. The gage will tell you if you have vacuum leak. Then you will have to track down the source. Other issue might be starving for fuel but OK in park so maybe not. Good luck
if you feel the pulsation in brake pedal when stopping. its a warped brake rotor thats causing it. for bad cv joint symtoms--- Unusual noises when making turns. As you are driving on the road and you make a turn at the corner, if you start hearing unusual sounds coming from under the car then this is one of the symptoms of a bad CV joint. These noises will sound like something is clicking beneath the car every time you turn the steering wheel. Evidence of a damaged boot. Steering wheel feels heavier. The steering wheel will start to feel tighter and heavier and you can hardly make simple turns to the left or right. In severe cases you might even feel heavy vibrations like you are driving down a rocky road.
VW engines intend to do this, even if you pull up at a set of traffic lights it will nearly cut out or go into high rev's. i have an a3 & once driving down the road @ about 50kpm, I lost power stearing for 1-2 seconds, stearing wheel went stiff. Audi are a good drive but needs lots of tlc. One other thing is fuel pump could be acting up a bit.