Back when I worked in a SAAB dealership, some of the cars were plagued with
some strange happenings. One involved a certain area in Boston MA. The others,
random happening all over the US. The common denominator was they all started
after being towed back to the dealerships. No problem found!!
The problems were found to be not enough RF shielding. The Boston problem was found to be the
antennas for the radio and TV stations were located where the car conked out. The others
were found to be at "radio controlled" intersections. If the car was stopped there, it was towed from there.
But, if the light was green, the car only sputtered it's way through the intersection. These were the early
days of Bosch EFI.
So with all of the "computers" in all of the vehicles, "No problem found" will continue, So, it's best to
turn it off and restart and smile because you know more than a whole bunch of Technicians.
Because it's poor or not enough RF shielding and YOU got glitched!
DE KI6FG