Check Engine Light
#51
Guest
Posts: n/a
Re: Check Engine Light
In message <zUlic.65402$ec1.26816@okepread01>, "DougW" wrote:
>bllsht did pass the time by typing:
>> In message <757ic.65328$ec1.25032@okepread01>, "DougW" wrote:
>>
>>> Cal did pass the time by typing:
>>>> I guess you are referring to the upstream o2 sensor. Where do you find one
>>>> for $60? Most everyone where I live want $80
>>>
>>> My 93 only has one, but yes, the downstream O2 sensor on all models to date
>>> only monitor the catalytic converter. (least that's what the manuals say)
>>
>> I believe the manuals say the downstream O2 is used to monitor the cat. I
>> don't think it says that's all it's used for. :-)
>
>Could be, but the only DTCs I've seen are for the cat. Possibly it could
>keep an eye on the primary O2 sensor based on what gets through the cat.
It's also used for fuel trim, and rationality checks.
>
>Actually I think it's used for making the EPA happy and to provide more sales
>to the O2 sensor makers. :)
Probably that too. :-)
>bllsht did pass the time by typing:
>> In message <757ic.65328$ec1.25032@okepread01>, "DougW" wrote:
>>
>>> Cal did pass the time by typing:
>>>> I guess you are referring to the upstream o2 sensor. Where do you find one
>>>> for $60? Most everyone where I live want $80
>>>
>>> My 93 only has one, but yes, the downstream O2 sensor on all models to date
>>> only monitor the catalytic converter. (least that's what the manuals say)
>>
>> I believe the manuals say the downstream O2 is used to monitor the cat. I
>> don't think it says that's all it's used for. :-)
>
>Could be, but the only DTCs I've seen are for the cat. Possibly it could
>keep an eye on the primary O2 sensor based on what gets through the cat.
It's also used for fuel trim, and rationality checks.
>
>Actually I think it's used for making the EPA happy and to provide more sales
>to the O2 sensor makers. :)
Probably that too. :-)
#52
Guest
Posts: n/a
Re: Check Engine Light
In message <zUlic.65402$ec1.26816@okepread01>, "DougW" wrote:
>bllsht did pass the time by typing:
>> In message <757ic.65328$ec1.25032@okepread01>, "DougW" wrote:
>>
>>> Cal did pass the time by typing:
>>>> I guess you are referring to the upstream o2 sensor. Where do you find one
>>>> for $60? Most everyone where I live want $80
>>>
>>> My 93 only has one, but yes, the downstream O2 sensor on all models to date
>>> only monitor the catalytic converter. (least that's what the manuals say)
>>
>> I believe the manuals say the downstream O2 is used to monitor the cat. I
>> don't think it says that's all it's used for. :-)
>
>Could be, but the only DTCs I've seen are for the cat. Possibly it could
>keep an eye on the primary O2 sensor based on what gets through the cat.
It's also used for fuel trim, and rationality checks.
>
>Actually I think it's used for making the EPA happy and to provide more sales
>to the O2 sensor makers. :)
Probably that too. :-)
>bllsht did pass the time by typing:
>> In message <757ic.65328$ec1.25032@okepread01>, "DougW" wrote:
>>
>>> Cal did pass the time by typing:
>>>> I guess you are referring to the upstream o2 sensor. Where do you find one
>>>> for $60? Most everyone where I live want $80
>>>
>>> My 93 only has one, but yes, the downstream O2 sensor on all models to date
>>> only monitor the catalytic converter. (least that's what the manuals say)
>>
>> I believe the manuals say the downstream O2 is used to monitor the cat. I
>> don't think it says that's all it's used for. :-)
>
>Could be, but the only DTCs I've seen are for the cat. Possibly it could
>keep an eye on the primary O2 sensor based on what gets through the cat.
It's also used for fuel trim, and rationality checks.
>
>Actually I think it's used for making the EPA happy and to provide more sales
>to the O2 sensor makers. :)
Probably that too. :-)
#53
Guest
Posts: n/a
Re: Check Engine Light
In message <zUlic.65402$ec1.26816@okepread01>, "DougW" wrote:
>bllsht did pass the time by typing:
>> In message <757ic.65328$ec1.25032@okepread01>, "DougW" wrote:
>>
>>> Cal did pass the time by typing:
>>>> I guess you are referring to the upstream o2 sensor. Where do you find one
>>>> for $60? Most everyone where I live want $80
>>>
>>> My 93 only has one, but yes, the downstream O2 sensor on all models to date
>>> only monitor the catalytic converter. (least that's what the manuals say)
>>
>> I believe the manuals say the downstream O2 is used to monitor the cat. I
>> don't think it says that's all it's used for. :-)
>
>Could be, but the only DTCs I've seen are for the cat. Possibly it could
>keep an eye on the primary O2 sensor based on what gets through the cat.
It's also used for fuel trim, and rationality checks.
>
>Actually I think it's used for making the EPA happy and to provide more sales
>to the O2 sensor makers. :)
Probably that too. :-)
>bllsht did pass the time by typing:
>> In message <757ic.65328$ec1.25032@okepread01>, "DougW" wrote:
>>
>>> Cal did pass the time by typing:
>>>> I guess you are referring to the upstream o2 sensor. Where do you find one
>>>> for $60? Most everyone where I live want $80
>>>
>>> My 93 only has one, but yes, the downstream O2 sensor on all models to date
>>> only monitor the catalytic converter. (least that's what the manuals say)
>>
>> I believe the manuals say the downstream O2 is used to monitor the cat. I
>> don't think it says that's all it's used for. :-)
>
>Could be, but the only DTCs I've seen are for the cat. Possibly it could
>keep an eye on the primary O2 sensor based on what gets through the cat.
It's also used for fuel trim, and rationality checks.
>
>Actually I think it's used for making the EPA happy and to provide more sales
>to the O2 sensor makers. :)
Probably that too. :-)
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