2000 Cadillac Deville mass air flow sensor

2000 CADILLAC DEVILLE
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Engine Performance problem
2000 Cadillac Deville V8 Front Wheel Drive Automatic

Before i install my mass air flow sensor should i disconnect the battery ground cable first?
Feb 3, 2010 at 9:12 PM
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BLUELIGHTNIN6
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yes, always a good idea to disconnect ground battery cable before making any type of repair involving electricals on vehicle..
Feb 3, 2010 at 9:15 PM