Throttle body: Device that regulates the air intake into the engine. It is mainly controlled by the accelerator.
Read more
It is made up of a butterfly check valve that regulates the air passage to the engine. It can be mechanically activated through the accelerator pedal, or electrically through a servomotor according to certain variables calculated by the ECU. It should be cleaned regularly.
02 expedition cranks no start. Checked all the pieces under the under dashboard and under hood over 50% of the fuses were showing red I'm assuming meaning no power going in or coming out. Interior lights and light under hood will flicker in and out. Also tried spraying fuel directly into throttle body still no start. Any ideas what would cause that many fuses to stop working
Check all the main ground straps make sure they are all connected and that they aren’t doubled up except where the factory doubled or tripled them from the factory