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What would cause a car to run very badly with the idle air control unplugged but cut off and not run when it is plugged in?


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Wiki User
2004-12-09 06:51:00
2004-12-09 06:51:00

A hole or crack in the tube leading from the MAF sensor over to the throttle body.


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the scanner/code reader needs to be plugged in the obd2 connector to get power if you don't plug it in how can the tool work

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Yes, an unplugged sensor can cause a check engine light.

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Try switching out the relay for the fuel pump. the pump seems ok but its not getting voltage while plugged in. If its not the relay it might be the fuel pump fuse. It could be something else in the circuit

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Having plugged ears should not cause any of these problems. If you are having these problems, it is most likely the cause of your plugged ears and you should advice from a physician.

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No, A plugged in appliance will not cause a fire. There has to be an outside fuel source that could catch the flame.

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