1997 Chevy Astro bank1

1997 CHEVROLET ASTRO
178,000 MILES • 6 CYL • 2WD • AUTOMATIC
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HELLSKIGHT2510
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ODB2 reader comes up with P0420, would be looking for where bank 1 would be on this make of.
Jan 11, 2010 at 3:34 PM
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