o2 sensor problem
Thread Starter
Teching In
Joined: Jun 2004
Posts: 16
Likes: 0
o2 sensor problem my o2 sensors on my 98 ta go bad every 20-30k.
they started acting up again...hesitation, black smoke, unburned fuel smell, ect.
the wiring harness came off the sensor and i found ALL of my performance issues gone. it is the drivers side, front headers.
i put the wire back on and the same isses as before.
any thoughts?
they started acting up again...hesitation, black smoke, unburned fuel smell, ect.
the wiring harness came off the sensor and i found ALL of my performance issues gone. it is the drivers side, front headers.
i put the wire back on and the same isses as before.
any thoughts?
Does it seem to hasitate sometimes between 1400 and 3000 rpms and only under middle to light throttle? just wandering becuase thats what mine is doing as well. I beilive that mine is also the O2 sensors Let me know by pm or something. Thanks josh
Originally Posted by white98
all 4 sensors. the rear 2 haven't worked since i addded headers 2 years ago.
From reading your first post, it sounds like you did not get the connector all the way on. Then found it and corrected the problem.
What brand 02 are you using?
I have read that the Bosch pn# 13111 is the corvette rear that works on the f-body front, and is even a better 02. I am fixing to switch to this one myself.
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Launching!
Joined: Dec 2001
Posts: 259
Likes: 1
From: Durham, NC
Originally Posted by white98
ok....i'll try a new approach.
car ran bad...
bad o2 sensor...
unplugged the sensor harness...
car runs excellent now.
any thoughts?
car ran bad...
bad o2 sensor...
unplugged the sensor harness...
car runs excellent now.
any thoughts?
As to your original question about why your sensors go bad so frequently, I have the same problem, and no solutions...
Originally Posted by jeromio
You have a bad O2 sensor. By unplugging it, you force the car to run in open loop with a fixed map. So it will run okay, just rich. With a bad O2, it gets crazy readings and moves the closed loop map all over the place.
As to your original question about why your sensors go bad so frequently, I have the same problem, and no solutions...
As to your original question about why your sensors go bad so frequently, I have the same problem, and no solutions...
He is absolutely correct. Just get some new ones
TECH Regular
Joined: Nov 2003
Posts: 463
Likes: 0
From: va baby!
Originally Posted by jeromio
You have a bad O2 sensor. By unplugging it, you force the car to run in open loop with a fixed map. So it will run okay, just rich. With a bad O2, it gets crazy readings and moves the closed loop map all over the place.
As to your original question about why your sensors go bad so frequently, I have the same problem, and no solutions...
As to your original question about why your sensors go bad so frequently, I have the same problem, and no solutions...
i had the same problem with mine. i unplugged it today actually and ran like a champ. if it runs fine but rich why would you go out and buy new ones that cost $75 a piece and replace them every so often when you could just keep em unplugged?
Originally Posted by stangkiller
i had the same problem with mine. i unplugged it today actually and ran like a champ. if it runs fine but rich why would you go out and buy new ones that cost $75 a piece and replace them every so often when you could just keep em unplugged?
