I have a '85 928 w/60k. On several occasions the engine has quit w/o
warning while in the driving mode.Upon failure It willcrank but not start. No one has been able to figure out what is causing this problem, including the best Porsche mechs in the business. I've read that the 928 relay board is the most complicated of all the porschesever built. Has anyone run into a similar problem, how was it solved?
Bewildered and frustrated.