2003 Cadillac Deville mass air flow sensor

2003 CADILLAC DEVILLE
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RONSTER777
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Engine Performance problem
2003 Cadillac Deville V8 Front Wheel Drive Automatic

mechanic changed mass air flow sensor twice ( rebuilt part), works for hour, then back to poor running, mpg, etc. His hand held meter says Mass air flow sensor problem, and right and left fuel bank..dealer says need OEM not rebuilt part..what do you the expert think?
thanks
Jan 14, 2010 at 12:38 PM
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