Audi newbie Posted May 4, 2015 Share Posted May 4, 2015 Hi all, I need to pick some expert knowledge regarding A4. I have owned my car for nearly 2 years now and it's never missed a beat, well until the weekend. I will give you events. Driving normally, never driven hard, I started a small incline and it started a judder misfire symptom, I could also hear popping I presume from the air box area, engine man was blinking. The car really struggled. I went straight to the parts shop and brought a coil pack as I have been told they are common. By know the car seemed to have cured itself. Next day I thought I would take it round the estate and try to find which coil was at fault. Nothing. Ran sweet. Tried again this morning and it started again so I switched numb 1 with the new coil and ran still the same did this method until I tried all 4. I am hoping this has ruled out the coils. Now it will start, run for a few minutes and cut out I can hear popping in the breather system ? I am a competent mechanic but new to these cars I'm from the escort era, I am old school ! I have recently serviced the car with all filters and new ngk's about a month ago etc. Any help would be greatly appreciated. Thanks Car A4 18t Quattro cabby 2004 Quote Link to comment Share on other sites More sharing options...
Dac89 Posted October 10, 2015 Share Posted October 10, 2015 Have you tried new plugs could be that also check the wiring / plug onto each coil I had the same issue ended up being connections on cylinder 2 for me Quote Link to comment Share on other sites More sharing options...
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