1998 Chevy Monte Carlo LS 3.1L Upstream O2 Sensor

Tiny
MJKUTE
  • MEMBER
  • 1998 CHEVROLET MONTE CARLO
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?
Thursday, July 5th, 2007 AT 12:12 PM

1 Reply

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
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.
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Thursday, July 5th, 2007 AT 4:52 PM

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