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95 S6 Avant Ignition Problems

414 Views 2 Replies 2 Participants Last post by  Mange3586
Its been a very long time since I've been on here and even longer since I touched any of my cars... Its time and im missing them so first on the list is the audi. Its currently on vems using the factory crank trigger. 034 coil pack kit.

It has an itermittent issue that I believe is ignition related. The car starts and runs fine (cranks a bit to find signal) but when it warms up it bucks hard and the tach jumps all over the place at low rpm under load. I was thinking it is the crank position sensor, but I am not sure. Any thoughts?
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Have you checked ECU fault codes?
Have not, but I'm not sure how to do that on VEMS. Ill have to check into it.
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