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5.0L (1979-1995) MustangTechnical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.
changed air temp sensor,yes car was running,no haven't messed with idle set screw just bought car.no smog stuff.is it the idle air control motor or tps?or could the guy have raised the rpm to counter the air temp senor it wasn't idling high now it lok like its about 1100 or 1500 my tach dosn't work good.