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Check Engine lights can come on for a variety of different reasons. It could be something as simple as the gas cap is not tight enough or it could mean you have a cylinder misfire. The check engine light usually comes on for some sort of emission problem. With the vehicle stalling out especially at idle it could be something like a tps sensor. The only way to tell is to take it to a full service garage or a dealer and have them hook the vehicle up to a code reader to find out why the light is on. But the reason that the light is on is probably the same reason that the car stalls out while idling.

You may want to check the engine vacuum lines for a direct leak to atmosphere. This can stall an engine when at idle but not at driving speeds.

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โˆ™ 2010-05-08 03:36:17
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Q: Why would a 93 Town Car check engine light come on quickly frequently stalls while idling?
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