Oldsmobile Cutlass Stalls While Idling

For Oldsmobile cutlass stalling during idle with fuel injection engine is either caused by a bad idle air bypass valve, a bad cold start valve or a bad fuel pressure regulator. To establish which one is the possibilities try to do the following car diagnostics.

Lightly stepped on the gas pedal and checked if the engine will continue to run. If the engine continues to run then the problem is a faulty idle air bypass valve. Fuel injected engine has a device called the idle air bypass valve. This valve is the one responsible in maintaining the engine idle speed if the valve is faulty the engine will stall. By stepping the gas pedal when the engine is about to stall the throttle increases which makes the engine fuel supply enough to run the engine.
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