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Fuel and Engines
Car Stalling Problems
Late Model 1979-New Ford Mustangs

Why would a car idle too high?

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2005-03-19 13:12:46
2005-03-19 13:12:46

A vacuume leak at the intake manifold or vacumme hose can cause a high idle. On carbuerated vehicles the idle adjustment screw may be set to high. On fuel injected vehicles, the Idle Air Control(IAC) circuit or valve may be faulty. On newer vehicles you may be able to get a trouble code to help pinpoint the problem. Chris

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