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AC Delco, Denso, or Bosch for O2 sensors

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Old Jan 7, 2011 | 04:35 PM
  #11  
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Originally Posted by 00ChevyScott
That's why they have a warranty, which IS refundable FYI.

Corey, you can take your O2 sensors back to O'reillys and explain the problems you've been having and tell them instead of constantly replacing them, you decided to put OEM parts back in it and would like a refund. If they give you any trouble about it, let me know and I can help you out


Alex, the Bosch O2 sensors are still decent products. Some have problems with them, some do not. The O2 sensor that came with my LC-1 wideband is a Bosch sensor.
Good to know!! I knew you were good for something lol
But for real, something will probably go wrong in another 2 weeks with my truck
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Old Jan 7, 2011 | 04:37 PM
  #12  
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Never seen any issues with the Bosch sensors here.
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Old Jan 7, 2011 | 05:13 PM
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That's what is strange because I have always seen the Bosch brand sensors hold up pretty well when it comes to wideband controllers, I have used Bosch brand sensors with a number of different wideband controllers with not many problems at all to speak of but when it comes to the Bosch replacement narrowband O2 sensors I have read where alot of people have had problems and have seen first hand myself problems with them.
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Old Jan 7, 2011 | 05:43 PM
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Yep lots of threads on tech about bosch narrowbands giving guys issues
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Old Jan 8, 2011 | 08:57 PM
  #15  
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Hmmm the delco Flex fuel ones seem to be $20~ higher at $76 each..The Denso's are $51 tho...

Doesnt make any sense but the 03 FF ones are different part #'s than my 07 ...
So the Denso's are good to go with also??
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Old Jan 15, 2011 | 01:58 PM
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Acdelco on the left, bosch is on the right

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Old Jan 15, 2011 | 01:59 PM
  #17  
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Btw the acdelco o2s switch like a **** compared to the bosch
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Old Jan 15, 2011 | 02:26 PM
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Good info in this thread.
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Old Jan 15, 2011 | 06:25 PM
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stick with delco....evilbay has them cheap. i had issues with bosch at idle.
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Old Jan 15, 2011 | 07:42 PM
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Some parts its worth it to get the delcos.. One of my buddies trucks eats bocsh 02s like candy
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