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o2 sensor question


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Anonymous Poster

Oct 27, 2008, 9:00 AM

Post #1 of 3 (2137 views)
o2 sensor question Sign In

Is it possible for a bad o2 sensor to cause a misfire in one of the cylinders?


jat


Tom Greenleaf
Ultimate Carjunky / Moderator
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Oct 27, 2008, 9:39 AM

Post #2 of 3 (2133 views)
Re: o2 sensor question Sign In

Possibly. Depending on where sensor is and how car's computer deals with info from it - it could mis adjust the amount of fuel needed and perhaps just one cylinder can't deal with the now improper mix.

What is this car? Taking plugs out for inspection can tell a lot about what that cylinder is doing or doing wrong,

T



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Anonymous Poster

Oct 27, 2008, 10:40 AM

Post #3 of 3 (2129 views)
Re: o2 sensor question Sign In

2003 chevy 3500 express van
I got a code for bad o2 sensor and misfire in cylinder 3. Changed the sensor, and the check engine light is now off but I only ran truck for 10 minutes. Will find out tommorrow if the truck is ok, when it will be used all day. I also got codes for truck running lean which I thought was related to the bad o2 sensor.


thanks for any help

john






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