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Fiat Group and Fiat Powertrain Technolgy unveiled its new air management technology ‘Multiair’ at the Geneva Motor Show. Multiair is an electro-hydraulic system of engine valves for dynamic and direct control of air and combustion, cylinder by cylinder and stroke by stroke. Thanks to a direct control of the air through the intake engine valves without using the throttle, Multiair helps reducing fuel consumption; and pollutant emissions are likewise reduced through combustion control. Video animation explains how the new technology works.
Video Rating: 4 / 5

Describes the intricacies of the older Vane Air Flow Sensor found on the Bosch Jetronic and newer Japanese fuel injection systems from the 1970’s to the 1990’s. The VAF sensor is a mechanical fuel injection system that changes voltage output depending on the incoming air. The drawback to this older MAF sensor is that it did not account for air mass. There is more air in a cubic meter at colder temperatures than when the air is hotter. For this reason an air temp. sensor was often employed. See how this older system works. It’s understanding also allows for a better knowledge base for other sensors. See it here in this great video, using the best CG animation.
Video Rating: 0 / 5

Video deals with electronic distributor ignition systems. Although most systems today are DIS or COP (no distributor) there are a lot of these systems on the road today. Use this video as an ASE exam helper or a refresher. From our ASE A8 interactive exam course.
Video Rating: 0 / 5

This is a follow-up to “basic spray gun technology.” Techniques you learned in the video, it is the wolf at the Ed polish bike tanks fail.