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Need help with 02 sensor 92 Skylark 3.3

Tiny
HEYZEUS
  • MEMBER
  • 2002 BUICK SKYLARK
I checked the diagnostic trouble codes for my check engine light and was given a 44
lean exhaust/ 02 sensor voltage low.
does anyone know if this means I need to replace the 02 sensor, and if so where is it?
Friday, December 8th, 2006 AT 10:47 AM

2 Replies

Tiny
BACKYARDMECHANIC
  • MECHANIC
  • 337 POSTS
Need more info. How many miles on car? If high mileage I would suspect you need to change the sensor. It should be located in the exhaust system engine pipe before the cat or sometimes located in the exhaust manifold. Good Luck :)
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Friday, December 8th, 2006 AT 3:58 PM
Tiny
HEYZEUS
  • MEMBER
  • 2 POSTS
Its 288000 miles
but.I found the sensor and replaced it. Thanks!
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Tuesday, December 12th, 2006 AT 6:14 AM

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