> ... when that happens you would not expect the tach to immediately drop to > zero as reported ... >>My 4000 once quit like this. Bad Fuel Pump Relay. Unless the FPR is, say, shorting the coil... kills spark, drops tach... all I'm saying is, it's possible. -- Huw Powell http://www.humanspeakers.com/audi http://www.humanthoughts.org/