where is the o2 senser on a 4.3 engine

Asked by Mar 02, 2007 at 12:36 PM about the 1991 Chevrolet Blazer

Question type: Maintenance & Repair

1 Answer

14,130

Hello snag-- The Oxygen Sensor on your 1991 Chevrolet Blazer is underneath the truck on the passenger side, below the front seat area. You will notice a "Y" shaped exhaust pipe. The Oxygen sensor is located inside of that. Good luck from Bovan.

Your Answer

Add photo

Related Questions

Search Chevrolet Blazer Questions

UK Questions

Are you a UK consumer? CarGurus now has a discussion forum in the UK.

Chevrolet Blazer Experts

#1 Andrew Olsen
Andrew Olsen
Reputation 1,840
#2 yetilikesbeer
yetilikesbeer
Reputation 1,120
#3 Rowefast
Rowefast
Reputation 720
View All

Related Models For Sale

Used Chevrolet S-10
11 Great Deals out of 1,622 listings starting at $1,399
Used GMC Jimmy
288 listings starting at $2,800
Used Ford Bronco
183 listings
Used Ford Explorer
1,075 Great Deals out of 71,391 listings starting at $1,450
Used Chevrolet Camaro
378 Great Deals out of 40,505 listings starting at $3,500
Used Ford F-150
3,010 Great Deals out of 207,340 listings starting at $1,000
Used Chevrolet Suburban
533 Great Deals out of 18,950 listings starting at $1,964
Used GMC Yukon
558 Great Deals out of 17,086 listings starting at $1,875
Used Jeep Cherokee
308 Great Deals out of 53,909 listings starting at $2,495
Used Chevrolet C/K 1500
1,058 listings starting at $1,250

Used Cars For Sale

2005 Chevrolet Blazer For Sale
12 listings starting at $5,900
2001 Chevrolet Blazer For Sale
183 listings starting at $2,900