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mirek
06-18-2005, 04:45 PM
replaced cat and o2 sensor. still failed.

HC limit 55 reading 120 FAIL
CO limit 0.32 reading 0.07 PASS
NO limit 435 reading 173 PASS


any help? thanks!
MyLittlePony
06-18-2005, 07:32 PM
Usually, if CO is low but HC is high, then it usually points to a lean miss. What were the O2 readings?
bbmw318is
06-18-2005, 07:41 PM
Do you have platinum spark plugs?

If you do, I bet that is the problem. Those things are the biggest ripoff out there. They do not burn hot enough to get rid of all of the fuel that is in the cylinder. Therefore, you have alot more fumes that come out the exhause. Check it out. I would always go by what the manual says.

Hope this helps :)

Tadd

P.S. Ask me how I know :D
mirek
06-19-2005, 01:39 AM
Do you have platinum spark plugs?

If you do, I bet that is the problem. Those things are the biggest ripoff out there. They do not burn hot enough to get rid of all of the fuel that is in the cylinder. Therefore, you have alot more fumes that come out the exhause. Check it out. I would always go by what the manual says.

Hope this helps :)

Tadd

P.S. Ask me how I know :D

i have whatever was in there when i bought the car a month ago.. :D
mirek
06-19-2005, 01:40 AM
Usually, if CO is low but HC is high, then it usually points to a lean miss. What were the O2 readings?

o2 readings? that's all that it showed...
bbmw318is
06-19-2005, 11:01 AM
i have whatever was in there when i bought the car a month ago.. :D


I would check the spark plugs if I were you...

Tadd