Fuel Systems and Starters Warm up... How many different fuel induction systems exist? What does a starter do?? (ANY ANSWER BUT STARTS THE CAR!)

Carburetor A Carburetor is a method of fuel induction that is 100% Mechanical in nature. It does NOT require a computer system Found on most small engines Last production car sold with a carburetor was a Subaru in 1992

Carburetor

How are carburetor works…

Electronic Fuel Injection Popular in many Cars, boats, trucks, quads, ect… Electronic and computer controlled fuel induction Requires an Electronic Control Module (ECM) and a variety of sensors 2 types of EFI Throttle body injection (TBI) Multi-port injection (MPI)

Throttle Body Injection Uses a single point of injection, typically located at the top of the throttle body. May have more than one injector

Multi-point Injection Has an injector for each cylinder More fuel efficient Harder to repair &feature=related &feature=related

Direct Injection Latest form of fuel induction Requires an ECM and variety of sensors to run Directly injects gas into the cylinder. Only air enters in through the intake valve. &feature=fvwrel &feature=fvwrel

Car Starters A car starter utilizes magnets, springs, armatures, and gears. Upon turning your key the starter receives electricity which pops out and engages a gear into the flywheel of the motor. This spins the motor until it is running.

Starters Why is it potentially harmful to attempt to start the car while it is already running? starters-work_.html

Assignment Completely disassembly an intake plenum with EFI MPI injection and reassemble Disassemble a car starter and reassemble