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Why do vehicles with a carb use o2 sensors?
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Mr.scotty
Enthusiast
Apr 20, 2011, 12:21 PM
Post #1 of 7
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Why do vehicles with a carb use o2 sensors?
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I have a old mazda truck that has a carb, Why does it have a upstream o2 sensor?
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Your only as good as your tools!
(This post was edited by Mr.scotty on Apr 20, 2011, 12:22 PM)
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Hammer Time
Ultimate Carjunky
/ Moderator
Apr 20, 2011, 12:34 PM
Post #2 of 7
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Re: Why do vehicles with a carb use o2 sensors?
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Because it has an electronic carb with a mixture solenoid.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Mr.scotty
Enthusiast
Apr 20, 2011, 3:09 PM
Post #3 of 7
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Re: Why do vehicles with a carb use o2 sensors?
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Ok, so does that mean it has a PCM?
It has to have something computer like to control the solenoid rite?
Thanks for your replys!
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Your only as good as your tools!
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Hammer Time
Ultimate Carjunky
/ Moderator
Apr 20, 2011, 3:28 PM
Post #4 of 7
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Re: Why do vehicles with a carb use o2 sensors?
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PCMs weren't used until 96 and OBD2. You do have a computer though.
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Mr.scotty
Enthusiast
Apr 20, 2011, 5:42 PM
Post #5 of 7
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Re: Why do vehicles with a carb use o2 sensors?
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Oh.. ok i understand.
So pree 96 is just called a computer?
Do you know where the compuer on this truck is located cause I've never seen it.
It's a 87 mazda B-2000 2wd.
Thanks for your info!
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Your only as good as your tools!
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Hammer Time
Ultimate Carjunky
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Apr 20, 2011, 5:46 PM
Post #6 of 7
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Re: Why do vehicles with a carb use o2 sensors?
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Right hand kick panel
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Mr.scotty
Enthusiast
Apr 20, 2011, 9:26 PM
Post #7 of 7
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Re: Why do vehicles with a carb use o2 sensors?
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Alrite, I just like to know these things just in case.
Thanks again you've been a big help!
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Your only as good as your tools!
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