Need to replace upstream 02 sensor?

2002 CHRYSLER 300M
56,000 MILES • 3.6L • V6 • 2WD • AUTOMATIC
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DANNYBOY5474
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Need to replace upstream 02 sensor Bank1/sensor1. Which side of vehicle? I pass or driver? Thanks
Mar 15, 2025 at 4:35 PM
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STEVE W.
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Bank one is the cylinder bank on the passenger or right side of the engine. What is the reason for replacement? Shorted heater or slow response?
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Mar 16, 2025 at 12:58 AM
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DANNYBOY5474
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Yes, had a bad sensor so needed to replace to get CEL off. Drove 30 miles and passed smog. All good, thanks!
Mar 16, 2025 at 1:04 PM
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STEVE W.
  • ✓ASE Certified Mechanic
  • 15,200 POSTS
  • ASE Certified Mechanic
Good to hear. Stop by anytime with automotive questions.
Mar 16, 2025 at 10:25 PM
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