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Old 05-19-2008, 08:03 AM
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MT-2500 MT-2500 is offline
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Re: 2003 Impala engine shuts off after starting it up.

Give it a little gas and see if it will go OK.
If so you may have a IAC control problem.
Start with cleaning the IAC valve and TBI butterfly.
Is it getting any check engine lights?
How is the tune up end?
What engine and mileage and service history?
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