when Im on a red light, i feel when the car shakes a bit. the rpm needle is steady at 1 but u can see it move up and down and then is steady again. any idea whats going on? will a injector cleaner help or my gas filter... any ideas??? also i havent found the answer to my front suspernsion problem.. u know it makes a sound when i go into cracks or holes.. 99.5 A4 1.8 T

 

not a big deal, my 2.8 does the same thing... just fluctuates a tiny bit not anything serious at all... just up, down, and than right back to sturdy lol... and it doesnt even change like 50rpm's.. it has to do with your alternator adjusting, do you have a system?? play your bose loud?? the amount of watts put out by your alternator affects that greatly.