Category Archives: Air Intake and Fuel Delivery

Testing Air Intake Temperature Sensors

I am not the most car savvy person in the world, but I have some friends that have been helping me to learn more and take care of my vehicles in the way I should. One of the improvements that I have been learning about and considering is the installation of cold air intakes, which draw cool air into the internal combustion engine and helps give it a breath of fresh air that high performance vehicles need in order to … Continue reading

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Electric Fuel Pumps – Design, Work and Faults

Electric fuel pump is used in modern internal combustion engines to supply fuel from the fuel tank to the injectors. The pump should deliver fuel under high pressure, so that the nozzle can spray it into the engine. For the proper engine operation fuel pressure should be within allowed specifications for a given engine. Too low-pressure can lead to “fuel starvation” engine misfire, excessive vibration or stop the engine under load. Too much pressure causes uneven engine running too rich … Continue reading

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Importance of Mass Air Flow Sensors in Engine Management System

A mass airflow meter is used to find out the mass of air entering a fuel-injected motor. The air mass data is necessary for the motor control unit (ECU) to balance and present the right fuel mass to the engine. The detector in MAF sensors can be easily fouled causing difficult starting rocky idle, hesitation and stalling problems. How do I know that my mass airflow meter is faulty? Major signs pointing to the faulty mass air flow sensor will … Continue reading

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