1998 Chevy Monte Carlo LS 3.1L Upstream O2 Sensor

1998 CHEVROLET MONTE CARLO
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MJKUTE
  • MEMBER
  • 1 POST
1998 Monte Carlo LS
69800 miles
3.1 Liter Engine
Automatic transmission
2 wheel drive
No Strange sounds
No Fluid leaks
N/A Past repair history if applicable

Where is the location of the upstream O2 sensor on a 1998 Chevy Monte Carlo ?
Jul 5, 2007 at 12:12 PM
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MERLIN2021
  • ✓ASE Certified Mechanic
  • 17,250 POSTS
  • ASE Certified Mechanic
V-6 should have 2 of em...either on exhuast manifold or maybe 1 if it has a crossover pipe, on the front pipes before the converter...
Jul 5, 2007 at 4:52 PM
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