1994 Buick Century O2 sensors

Tiny
JJBLUE
  • MEMBER
  • 1994 BUICK CENTURY
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 14,500 MILES
Problem was with my car with stalling all the time and poor gas consumption. (3800) 02 sensor showed up on scanner w one-wire O2 sensor like it was called for-still stalled and check engine light was still on. Put in 4-wire sensor and it runs beautiful! (Front 02 sensor). What's up with that? I thought they didn't use them till 96-maybe my car is newer than I thoought?
Sunday, January 20th, 2008 AT 5:47 PM

4 Replies

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
How did you plug 4 wire sensor in one wire plug?
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Friday, January 25th, 2008 AT 5:20 PM
Tiny
JJBLUE
  • MEMBER
  • 3 POSTS
That's a good question :) : I didn't do it-I will ask him. I t was running great for 2 weeks, but now I have another problem with it skipping (bucking) and serging forward. After the 02 sensor was put in-it ran beautiful-no stalling and no gas guzzling. I'm almost ready to give up. I just can't buy another car unlessI get this one right to sell it. Thank you!
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Saturday, January 26th, 2008 AT 6:29 PM
Tiny
JJBLUE
  • MEMBER
  • 3 POSTS
Also, I was told that this is a california car so their emmisions stuff is different?
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Saturday, January 26th, 2008 AT 6:31 PM
Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
What about the MASS air flow sensor and the coolant sensor
try to unplug that o2 sensor and try it
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Saturday, January 26th, 2008 AT 7:44 PM

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