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  1. 1. Upstream / Pre Catalytic Converter Oxygen Sensor: The upstream oxygen sensor is situated before the catalytic converter in the exhaust system. The ECU primarily calculates the optimum air fuel ratio based on the amount of oxygen measured by the upstream sensor in terms of voltage. The higher the voltage, the richer is the air-fuel mixture ...

  2. Jul 20, 2016 · Wire length (pigtail) and electrical connector is the only difference. Regular O2 sensors, now called Narrow band, output a voltage of .1 to .9 volts, depending on Oxygen levels in exhaust. Upstream or downstream , left or right, doesn't matter, Ford, GM, Dodge, doesn't matter, they are all interchangeable if wire and connector match up.

  3. Oct 7, 2015 · Posts: 7,457. Likes: 72. From: Kent Station, WA. I went with Motorcraft replacement O2 sensors on my truck when they went bad, 20k miles later and no issues. I would not have a problem going with NTK or Denso if need be. I do avoid Bosch electronic's as much as possible though. I use amazon, rock auto, Horizonpartsguy.com for parts.

  4. May 13, 2024 · When choosing between cheap and expensive O2 sensors, consider factors like budget, sensor quality, compatibility with your vehicle, reviews from other consumers, and advice from mechanics or automotive experts. It’s important to balance initial costs with long-term benefits for your vehicle’s performance and budget. Ben Wilkinson.

  5. Apr 5, 2022 · 2. Bosch Premium Oxygen Sensor. Check Price. Bosch invented the oxygen sensor and began producing it in 1976, so in other words, when it comes to O2 sensors, they’ve got more experience than any ...

  6. Apr 7, 2019 · 6859 posts · Joined 2010. #2 · Apr 7, 2019. I have used the Bosch units in all of my Fords for years. I just replaced a set of Bosch units in my 2000 Mustang GT after 100k Miles. IMO it would be naive to believe (without doing any other trouble shooting) that removing the Bosch O2's and replacing with Motorcraft units would fix the problem.

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  8. Mar 2, 2023 · O2 sensors or oxygen sensors play an important role in keeping the number of harmful gases produced by vehicles as low as possible. They do this by measuring the amount of oxygen present in a vehicle’s exhaust gas provide information to the vehicle’s computer if more fuel or less fuel is needed in the combustion chamber. This article contains.