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catalytic converter question
Posted 20 June 2004 - 04:31 PM
Posted 20 June 2004 - 09:52 PM
Also, if your car is running "great"and you gas milelage is normal then your cc and pre-cc O2 sensor are fine. The only way to maintain your cc is to to take care of your vehicle by performing the recommended engine maintenance (i.e. spark plugs, air filter, fuel filter) at factory recommended intervals and by avoiding certain fuel additives that contaminate the precious catalysts.
Posted 20 June 2004 - 11:24 PM
i'm not terribly worried about it, but would just like to make sure things keep running smoothly and would also like to avoid the annoyance factor of having the cel come on.
thanks for the response =)
Posted 21 June 2004 - 09:39 AM
As for the front catalytic converter, you may want to replace it as preventive maintenance - I plan to replace mine when I change the timing belt at 105 K. It detects the amount O2 in comubstion gasses, and this info. is processed by the emc in order to achieve optimal fuel-air mixture or stoichiometric ratio. The emc is constantly adjusting the fuel/air ratio because the amount of O2 depends on environmental variables (i.e. temperature, altitude, pressure). Your temporary poor fuel mileage may have been just a fluke, but poor fuel mileage and engine perfomance are indications of a bad O2 sensors. Check to see if the dealer replaced it when they serviced your fuel injection system. If not, you can pick one up online and do it rather cheaply if you are so inclined- it's as easy as changing a spark plug. Other members of USMB report that Bosch supplies these sensors to Subaru. All you need is an open end 22mm wrench. Just make sure you put some of the antiseize that should come with the sensor on the threads in order to facilitate easier future replacement. Take care.
Posted 21 June 2004 - 10:13 AM
Posted 21 June 2004 - 11:27 AM
Posted 21 June 2004 - 07:05 PM
thanks guys. i'm a poor college student who's working to cover rent, food, and gas. when i have $150 of disposable income i'll see about replacing it. take care!
I empathize with your plight, but an 00 Outback is not a bad ride for a college student. I am a graduate student, and yes, it's true: we really do live below the poverty line. In any case, you can get a universal rear O2 sensor at the above website for about $60 including shipping - just need to use the old connector. The more important front sensor is about twice as much. Take care.
Good luck with the sensor. Can you use a helicoil or are you past the point of no return?
Posted 22 June 2004 - 09:18 AM
Interesting that you said that the front O2 sensor was more expensive. I also bought a new Bosch front O2 sensor from NAPA too, and it was less than the rear sensor (Front was about $100, and rear was about $150, different part numbers).
Posted 22 June 2004 - 11:36 AM
Does the NPT plug have threads on the insider? For a permanent fix, I imagine that you could get somebody to weld the sensor housing back into the header pipe for a nominal fee if the metal around the opening is still good.
Posted 23 June 2004 - 04:01 PM
Posted 21 October 2004 - 12:00 AM
My CEL finally went off this past week. It's been on for about 3 months. I got a $1200 estimate from an Oakland Subaru dealer. Instead, I purchased the parts from that same dealer for $900 (20% off on Wed nights) and paid a local mechanic $80 to install it. After installation, I had to drive for a few days before the light went off.
I tried to buy a universal CC but it wasn't available for my 97 outback.
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