Here is a bench shot (are you switching 12v on the bench?) and another shot from the car, it is dropping from ~3 volts to 0 at the cpu pin when the injector fires. Using 50k resistors, ironically for protecting the CPU
on the bench, using another atmega as a signal generator and a couple transistors to toggle 12v
On the front seat of the saturn
On the front seat of the saturn, giving it a little gas (wider pulse)
