fuel injector
How a Fuel Injector Works: Pulse Width and Spray
Watch the solenoid lift the needle, the pulse width set the fuel dose and the spray mist, plus clogged, dripp…
Get the app
Quick access from your home screen.
Home / Resources / How Things Work
A hand-drawn look at manifold pressure: vacuum at idle, load under throttle, altitude with the key on, and what P0106, P0107 and P0108 mean.
Watch the solenoid lift the needle, the pulse width set the fuel dose and the spray mist, plus clogged, dripp…
See the coil charge and collapse to make 20,000 volts, the spark jump the plug gap, and how worn plugs, crack…
Drive the car and watch each readiness monitor complete, why clearing codes fails an inspection, and what eac…
Get the app
Quick access from your home screen.