1999 Porsche Boxster Would Cause Mass Air Meter Idle Control Value ECU Out One

1999 PORSCHE BOXSTER
107,048 MILES
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What would cause the Mass Air Meter, Idle Air Control Value and ECU all to go out at one time of a 1999 Porsche boxster? I heard jumping it improperly, but could it be anything else?
Mar 1, 2013 at 6:17 PM
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DOCFIXIT
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That or welding on car during repair
Mar 1, 2013 at 8:56 PM
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