O2 sensor error
Hi all,
Engine light came on a week after installing a Borla header on my 97 4.0 I6 TJ - 59,700 miles auto trans. It is the header that is bolt on replacement (no fab to cross pipe can't remember the part #). Error code says O2 sensor. I disconnected the battery cable to clear the error, but it came back on in 2 days of driving. I thought I would get the O2 sensor error while my old header was cracked. The stock header weld was entirely broke at one of the 2 to 1 welds with a couple other cracks. It was bad. I have a couple questions. 1. How can ya tell which sensor it is? 2. Could the new header be the culprit somehow? 3. Would error feedback anything to computer to make engine run a little more sluggish? (almost stalled out today) 4. Could the sensor be telling me that my cat is getting clogged? 5. How can ya tell if cat "is" getting clogged? 6. Any ceramic in the sensor like a spark plug? (So I know how hard I muscle it out without breaking) 7. Do these things go out often or is it telling me something else is going bad? Thanks !! Kevin 97 TJ |
Re: O2 sensor error
Hi Kevin,
I would guess it's the sensor you played with, maybe it's as simple as the connection, or maybe you did something to tweak it taking out of the old header, or maybe you used silicone on the treads to kill it. I'd replace it, as it's now throwing your computer into a limp mode. http://oxygensensors.com/ God Bless America, ßill O|||||||O mailto:-------------------- http://www.----------.com/ Kevin KC8GAB wrote: > > Hi all, > > Engine light came on a week after installing a Borla header on my 97 4.0 I6 > TJ - 59,700 miles auto trans. It is the header that is bolt on replacement > (no fab to cross pipe can't remember the part #). Error code says O2 > sensor. I disconnected the battery cable to clear the error, but it came > back on in 2 days of driving. I thought I would get the O2 sensor error > while my old header was cracked. The stock header weld was entirely broke > at one of the 2 to 1 welds with a couple other cracks. It was bad. I have > a couple questions. > > 1. How can ya tell which sensor it is? > 2. Could the new header be the culprit somehow? > 3. Would error feedback anything to computer to make engine run a little > more sluggish? (almost stalled out today) > 4. Could the sensor be telling me that my cat is getting clogged? > 5. How can ya tell if cat "is" getting clogged? > 6. Any ceramic in the sensor like a spark plug? (So I know how hard I > muscle it out without breaking) > 7. Do these things go out often or is it telling me something else is > going bad? > > Thanks !! > > Kevin > 97 TJ |
Re: O2 sensor error
Bill, thanks for the link. Sensors are below the header so they were not
removed or touched. Kevin "L.W. (ßill) ------ III" <----------@cox.net> wrote in message news:3F1DA1B8.86BD8E16@cox.net... : Hi Kevin, : I would guess it's the sensor you played with, maybe it's as simple : as the connection, or maybe you did something to tweak it taking out of : the old header, or maybe you used silicone on the treads to kill it. I'd : replace it, as it's now throwing your computer into a limp mode. : http://oxygensensors.com/ : God Bless America, ßill O|||||||O : mailto:-------------------- http://www.----------.com/ : : Kevin KC8GAB wrote: : > : > Hi all, : > : > Engine light came on a week after installing a Borla header on my 97 4.0 I6 : > TJ - 59,700 miles auto trans. It is the header that is bolt on replacement : > (no fab to cross pipe can't remember the part #). Error code says O2 : > sensor. I disconnected the battery cable to clear the error, but it came : > back on in 2 days of driving. I thought I would get the O2 sensor error : > while my old header was cracked. The stock header weld was entirely broke : > at one of the 2 to 1 welds with a couple other cracks. It was bad. I have : > a couple questions. : > : > 1. How can ya tell which sensor it is? : > 2. Could the new header be the culprit somehow? : > 3. Would error feedback anything to computer to make engine run a little : > more sluggish? (almost stalled out today) : > 4. Could the sensor be telling me that my cat is getting clogged? : > 5. How can ya tell if cat "is" getting clogged? : > 6. Any ceramic in the sensor like a spark plug? (So I know how hard I : > muscle it out without breaking) : > 7. Do these things go out often or is it telling me something else is : > going bad? : > : > Thanks !! : > : > Kevin : > 97 TJ |
Re: O2 sensor error
Hi Kevin,
Interesting, I thought the Borla header would replace the stock pipe too: http://www.----------.com/O2sensors.jpg Can't be very well tuned. God Bless America, ßill O|||||||O mailto:-------------------- Kevin KC8GAB wrote: > > Bill, thanks for the link. Sensors are below the header so they were not > removed or touched. > > Kevin |
Re: O2 sensor error
Bill,
I bought this model due to it being direct bolt on with no fab to pipe. It has the same mounting bolt points and same length as the stock one. Borla 17127 is the part #. 98-99 Tj's, but works with 97 too. I could have got other Borla headers but would lose a couple inches of clearance where pipe is routed under bell housing. Ease of install and not smashing a lower pipe seemed like the one to go with. Kevin "L.W. (ßill) ------ III" <----------@cox.net> wrote in message news:3F1DC625.88CBEF3D@cox.net... : Hi Kevin, : Interesting, I thought the Borla header would replace the stock : pipe too: http://www.----------.com/O2sensors.jpg Can't be very well : tuned. : God Bless America, ßill O|||||||O : mailto:-------------------- : : Kevin KC8GAB wrote: : > : > Bill, thanks for the link. Sensors are below the header so they were not : > removed or touched. : > : > Kevin |
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