Thanks for the info Chris, I have never heard this buzzing before, and that scared me somewhat, it really had a high-voltage sound to it... (ok, no flux capacitor jokes now!) :) Best wishes Stian --- In doc-uk@xxxxxxxxxxxxxxx, "Chris" <chris@xxxx> wrote: > Stian > > > Today I went out in the garage for the obligatory once-a-week start and > warm-up of my DeLorean. It is stored during the winter time. At the same > time I wanted to check the door lights etc. so I didn't start the car, but > turned the key to "position 2", when I suddenly heard a loud buzz coming > from the engine compartment. > > Its the frequency valve (FV) which is on the RH rocker cover ( opposite side > to the cold start ). When you turn the key to position 2 the RPM relay > powers up the fuel pump ( and FV) and primes the fuel system for starting. > > Chris S