1999 Infiniti Q45 oxygen sensor

Tiny
DLUXDOG
  • 1999 INFINITI Q45

Engine Mechanical problem
1999 Infiniti Q45 V8 Two Wheel Drive Automatic 149000 miles

I was told that my oxygen sensor at station or stage one, sensor 2 was bad. Where is that located and is it something I can change myself?

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Friday, April 11th, 2008 AT 7:44 PM

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Tiny
BLACKOP555
  • EXPERT
  • 10,555 POSTS

It is located on the side of the engien with the #1 cylinder.

It is on the exhaust piping AFTER the convertor.

Buy the special tool used to remove it from a autopart store. And make sure the vehicle is warm before attempting to remove it.

When installing the new one, use antiseize compound on the threads.

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Friday, April 11th, 2008 AT 8:01 PM

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