Monthly Archives: September 2010

BMW ABS wheel speed sensors

One of the most common omissions in maintaining a modern Anti-lock Brake System (ABS) is checking out the speed sensors. These sensors are often located at each wheel hub/rotor on four-wheel disc systems. Alternatively, on rear-drum applications, you’ll usually find them mounted on the differential housing. Whatever their location, they supply information regarding wheel speed to the ABS computer. Under breaking, if wheel speeds are not equal, indicating wheel lockup, the computer modulates the anti-lock feature until the speeds are … Continue reading

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Acura manifold absolute pressure sensor

A manifold absolute pressure sensor (MAP) is one of the sensors used in an internal combustion engine’s electronic control system. Engines that use a MAP sensor are typically fuel injected. The manifold absolute pressure sensor provides instantaneous manifold pressure information to the engine’s electronic control unit (ECU). This is necessary to calculate air density and determine the engine’s air mass flow rate, which in turn is used to calculate the appropriate fuel flow. Looking for manifold absolute pressure sensor for … Continue reading

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VW abs speed sensors

ABS anti-lock braking system is one of the cornerstones of active vehicle safety. Its function is to prevent the wheels locking during braking, and thus the loss of adhesion between wheel and road. Vehicle’s ABS system is operable even under heavy braking. Looking for cheap abs speed sensor? Check out our online inventory.

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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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