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My truck Burns to rich the somone cut the cat.

Tiny
ANONYMOUS
  • MEMBER
  • 1994 GMC C1500
  • 288,345 MILES
My truck Burns to rich the somone cut the cat convertors off so I cant hook a o2 sender up how do I lean the gas out without the o2 senser
Friday, March 22nd, 2013 AT 4:09 PM

2 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
What is litre size of engine? I looked at 5.0L. Only one 02 sensor and that is before the cat. With the forward 02 sensor, the cat shouldnt have anything to do with the front 02 sensor.

If you live in a state that does vehicle inspections, it wont pass without a cat.
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Friday, March 22nd, 2013 AT 4:34 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Just to add, if no 02 sensor in exhaust. You can get a bung ring, cut small hole in exhaust pipe. Weld bung ring over the hole. Screw in 02 sensor, wire it up.
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Friday, March 22nd, 2013 AT 4:38 PM

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