1991 Chevy Caprice oxygen sensor

1991 CHEVROLET CAPRICE
201,000 MILES • V8 • 2WD • AUTOMATIC
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MAGICC504
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i have a 305 motor, and it has a custom exaust on it. i purchased it with it. and i wanted to change the oxygen sensor, when i went and got it from the auto part store, it was two, but i only can find one on the car. can you help me ? how many is the car suppose to have? its a 1991 chevy caprice 305 motor, and if it suppose to have two will drilling a hole into the pipes and installing it , will it work like it suppose to?
thanks richard
Oct 18, 2008 at 12:55 AM
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RASMATAZ
  • ✓ASE Certified Mechanic
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  • ASE Certified Mechanic
Unless you have another connector for a 2nd O2 sensor-then it comes with 2
Oct 18, 2008 at 4:23 AM
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