2003 Chevy Impala o2 sensors for bank 1 and bank 2

2003 CHEVROLET IMPALA
75,552 MILES • 6 CYL • AWD • AUTOMATIC
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SHEMARI07
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  • 1 POST
Hello im wondering if i can change the o2 sensors on my vehicle myself or if i should take it a machanic and if so how much will it cost if i went to a mechanic shop
Sep 30, 2010 at 10:17 PM
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MMPRINCE4000
  • ✓ASE Certified Mechanic
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  • ASE Certified Mechanic
You should be able to change yourself. They are screwed into exhaust. Upstream sensors are pre-convertor, downstream are post-convertor.

You can get O2 sensor sockets at most autoparts stores, or use a 6pt. wrench.
Oct 1, 2010 at 7:32 AM
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