Oxygen sensors

2003 MITSUBISHI OUTLANDER
123,500 MILES • 2.4L • 4 CYL • 2WD • AUTOMATIC
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OUTANDMITSCOTT
  • MEMBER
  • 4 POSTS
Technicians can anyone there tell me what metric size is the hex nut too the oxygen sensors.at the moment,the largest I have is 17 mm and it's way too small!I'm thinking 19 or 20 mm box wench size unless it's a 11/16ths or something.would it be a 9 or 7/16ths.im not sure.may I get some diagrams from the source.
Jan 26, 2019 at 2:17 PM
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STRAILER
  • ✓ASE Certified Mechanic
  • 54,837 POSTS
  • ASE Certified Mechanic
Hello,

The size is 34 mm or 7/8 here is a guide to help walk you through the repair with diagrams below to show you on your car.

https://www.2carpros.com/articles/how-to-replace-an-oxygen-sensor

Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.

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Jan 28, 2019 at 6:17 PM
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