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Performance Upgrades - Maintenance - Modifications - Problem Solving - Off-Road - Street Trucks. Covering the Explorer, ST, Sport, Lincoln Aviator, Sport Trac, Mercury Mountaineer, Mazda Navajo, Ford Ranger, Mazda Pickups, and the Aerostar. Featuring H.I. - Human Intelligence.
At idle with the A/C on the engine will surge from 700 rpm to around 1500 rpm apx. every 6 seconds for about 1 second. With the A/C off there is no surge.
