O2 Sensor
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Re: O2 Sensor
yes .if the software in the scanner is good
Ed Wojciechowski wrote:
> This is the weird part about my Jeep, I can and have done just that, gone
> to the parts store and they hooked up the diagnostic tool and it read O2
> sensor upstream blah blah blah. I also can do the key trick. I have two
> sensors, but if the other one at the cat went bad, wouldn't the code read
> downstream?
>
> --On Thursday, July 28, 2005 10:42 AM -0700 J Strickland <spam@nospam.net>
> wrote:
>
> > Your '96 is OBD II compliant, this means you can extract the codes
> > quickly and easily with commercially available diagnostic equipment.
> > Many auto parts stores will let you use the equipment free of charge on
> > the assumption that the O2 Sensor(s) is(have) failed and you will come
> > back in and buy them from the clerk on duty. The diagnostic tool will
> > also reset the circuit and turn the Check light off.
> >
> >
> >
> >
> >
> > "Ed Wojciechowski" <wojo@andrew.cmu.edu> wrote in message
> > news:1AD238B6DCDA4CE362DE47F3@boldme02.andrew.ad.c mu.edu...
> >> I have a '96 GC Laredo with 158k, 4.0L. The check engine light came on a
> >> couple of months ago and I did the 3 turns of the ignition switch and
> >> the codes came up as 12,21,55. So, I figure it's time to replace the O2
> >> sensor, which I did. Now the check engine light comes on and then goes
> >> out, it's the same codes. What could be the problem..........
> >
> >
Ed Wojciechowski wrote:
> This is the weird part about my Jeep, I can and have done just that, gone
> to the parts store and they hooked up the diagnostic tool and it read O2
> sensor upstream blah blah blah. I also can do the key trick. I have two
> sensors, but if the other one at the cat went bad, wouldn't the code read
> downstream?
>
> --On Thursday, July 28, 2005 10:42 AM -0700 J Strickland <spam@nospam.net>
> wrote:
>
> > Your '96 is OBD II compliant, this means you can extract the codes
> > quickly and easily with commercially available diagnostic equipment.
> > Many auto parts stores will let you use the equipment free of charge on
> > the assumption that the O2 Sensor(s) is(have) failed and you will come
> > back in and buy them from the clerk on duty. The diagnostic tool will
> > also reset the circuit and turn the Check light off.
> >
> >
> >
> >
> >
> > "Ed Wojciechowski" <wojo@andrew.cmu.edu> wrote in message
> > news:1AD238B6DCDA4CE362DE47F3@boldme02.andrew.ad.c mu.edu...
> >> I have a '96 GC Laredo with 158k, 4.0L. The check engine light came on a
> >> couple of months ago and I did the 3 turns of the ignition switch and
> >> the codes came up as 12,21,55. So, I figure it's time to replace the O2
> >> sensor, which I did. Now the check engine light comes on and then goes
> >> out, it's the same codes. What could be the problem..........
> >
> >
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