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There are basically two ways how the actual air pump for car motor itself is powered.
(1) Mechanical via a drive belt system
(2) DC power via electric motor (sometimes used as secondary pumps)
1A currently is carrying the electrically DC powered AIR pump motors. These electric air pump motors are built to strict quality control standards and come with a limited lifetime warranty.
Symptoms of an electric AIR pump malfunction:
Poor Idle
Service Engine Soon (SES) light illuminates
Trouble code from a computer scan displays code P0410
Increased Oxides of Nitrogen NOx emissions
Corroded electric motor
Failed vehicle emission test
Frozen motor
http://www.tinydeal.com/220v-electric-air-pump-with-3-nozzles-toy-for-car-home-p-56657.html
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