Are you running the v3 board with or without the stock ECU still hooked up? If it isn't how are you powering the crank angle sensor?Was your tach signal working before you routed it through the VR circuit? Is this the only thing you've changed?I'll try to get back to you ASAP after I hear back.
Joel Baldridge, ASE Certified Master Technician, Audi Certified Expert Technician