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  1. Audi A5/S5 Tech DIY
    Hi, my S5 (2008 CAUA engine) with 212k km / 132k mi started misfiring on cylinders 1-4 (whole right bank) every time when I hit 4,3 - 4,5k RPM. During this, the Check Engine light starts flashing and turns off as soon as I put the engine under load at low RPMs. VCDS's freeze frames suggest that...
  2. A5 & S5 Topics
    Hey guys, I have this code P2293 Fuel Pressure Regulator 2 Performance Sometimes I have a second code P0087 AUDI - Fuel Rail/System Pressure Too Low Today I took a look at both hpfp and from my understanding all parts looks great. I attached pictures. Do you know what else could I look ❓
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