1998 Pontiac Grand Am 02 SENSORS

1998 PONTIAC GRAND AM
183,000 MILES • 4 CYL • FWD • AUTOMATIC
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LNELEMS
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where are the 02 sensors located?
Apr 14, 2010 at 5:37 PM
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MMPRINCE4000
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In exhaust pipe/header.

Upstream is located before convertor, downstream is after convertor.
Apr 16, 2010 at 7:12 AM