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1998 Pontiac Grand Am 02 SENSORS

1998 PONTIAC GRAND AM
183,000 MILES • 4 CYL • FWD • AUTOMATIC
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LNELEMS
  • MEMBER
  • 1 POST
where are the 02 sensors located?
Apr 14, 2010 at 10:37 AM
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MMPRINCE4000
  • ✓Experienced Mechanic
  • 8,548 POSTS
In exhaust pipe/header.

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