Oxygen sensors

Tiny
OUTANDMITSCOTT
  • MEMBER
  • 2003 MITSUBISHI OUTLANDER
  • 2.4L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 123,500 MILES
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.
Saturday, January 26th, 2019 AT 2:17 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
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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Monday, January 28th, 2019 AT 6:17 PM

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