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Where are the oxygen sensors located on an 87 olds 98 fwd?

Tiny
BOOBOOBEAR77
  • MEMBER
  • 1987 OLDSMOBILE 98
  • 6 CYL
  • FWD
  • 97,000 MILES
I have a clean 87 olds 98 regency that idles too high and get poor mileage. The cat was removed dut to rust thru and replaced with a test pipe. It throws a code for front ox sensor.
Sunday, December 4th, 2011 AT 10:51 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Heated Oxygen Sensor 1 (HO2S 1) (3.8L VIN K)In exhaust manifold.
Heated Oxygen Sensor 1 (HO2S 1) (3.8L VIN 1)In exhaust manifold.
Heated Oxygen Sensor 2 (HO2S 2)In exhaust system, rear of catalytic converter
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Sunday, December 4th, 2011 AT 10:59 PM

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