Need to replace upstream 02 sensor?

Tiny
DANNYBOY5474
  • MEMBER
  • 2002 CHRYSLER 300M
  • 3.6L
  • V6
  • 2WD
  • AUTOMATIC
  • 56,000 MILES
Need to replace upstream 02 sensor Bank1/sensor1. Which side of vehicle? I pass or driver? Thanks
Saturday, March 15th, 2025 AT 4:35 PM

3 Replies

Tiny
STEVE W.
  • MECHANIC
  • 14,202 POSTS
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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Sunday, March 16th, 2025 AT 12:58 AM
Tiny
DANNYBOY5474
  • MEMBER
  • 13 POSTS
Yes, had a bad sensor so needed to replace to get CEL off. Drove 30 miles and passed smog. All good, thanks!
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Sunday, March 16th, 2025 AT 1:04 PM
Tiny
STEVE W.
  • MECHANIC
  • 14,202 POSTS
Good to hear. Stop by anytime with automotive questions.
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Sunday, March 16th, 2025 AT 10:25 PM

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