Letter Re: A Practical, Reliable Bug-Out Vehicle
…fuel economy, drivability, and creature comforts. The average vehicle has more than five computers, operating on their own network (CANS) sharing information back and fourth, making any needed adjustments for a seamless driving experience. A computer controlled engine will not start and run until the computer commands it to do so. The starter, electric fuel pump, electronic fuel injectors, and electronic ignition system are all dependant on the power train control module (PCM) to function. Unlike aircraft, there are no redundant systems in place in the event of a PCM malfunction. A computer controlled automatic transmission cannot shift until the computer commands it to do so. Without direction, the transmission [indicator] will engage park, neutral, forward and reverse, but will not shift. Before the computer can command a shift to occur it needs to look at various sensors located throughout the vehicle such as, engine speed, vehicle speed, engine load,…