These systems provide more accurate fuel metering and quicker response. When You Step on the Gas The gas pedal in your car is connected to the throttle valve — this is the valve that regulates how much air enters the engine. So the gas pedal is really the air pedal. A partially open...
Others ask free sliding province do not fuel? Me suggested that no province. Now the car is "EFI", that is, how much fuel injection controlled by a computer according to traffic conditions. After analysis of inlet parameters such as volume, temperature, electronic fuel injection start, warm-...
How to Keep Fuel Injection Working SmoothlyNina Padgett
It is heated so much by compression that atomized fuel injected at the end of the compression stroke self-ignites. Basic injection All modern petrol injection systems use indirect injection. A special pump sends the fuel under pressure from the fuel tank to the engine bay where, still under...
EFI uses sensors to determine how much fuel is needed at any given moment. Every EFI system will have some combination of the following parts. Electronic Control Unit (ECU) The ECU is the brain of the operation. It uses engine RPM and signals from different sensors to meter the fuel. It...
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The ECU determines precisely how much fuel needs to be delivered by the injector by monitoring the engine sensors. B. The ECU turns the injectors on for a precise amount of time, referred to as injection pulse width or injection duration, to deliver the proper air-fuel ratio to the engine...
The fuel-injection systems in today's cars rely on oxygen sensors in the exhaust to determine if the air-to-fuel ratio is correct, so they will automatically increase the fuel flow if a turbo is added. If a turbocharger with too much boost is added to a fuel-injected car, the system...