How many O2 sensors does this truck have?

Tiny
1HAPPY1
  • MEMBER
  • 1999 MAZDA B4000
  • 4.0L
  • V6
  • 2WD
  • AUTOMATIC
  • 217,000 MILES
How many?
Wednesday, September 28th, 2022 AT 7:12 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,758 POSTS
Hi,

I attached an exploded view of the entire exhaust system below. From what I am seeing and reading, there are two. One is upstream from the converter and the other is right after it.

Take a look and let me know if that helps.

Take care,

Joe

See pic below.
Image (Click to make bigger)
Thumb
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
Wednesday, September 28th, 2022 AT 7:50 PM

Please login or register to post a reply.

Related Oxygen Sensor Content

Oxygen Sensor
GUIDE
Oxygen Sensor
Oxygen sensors are made of reactive materials which limits their lifespan. Aside from mechanical failures such as shorted heating elements or physical damage, these sensors...

Sponsored links