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Old 04-03-2003, 01:20 PM   #1
dingo dave
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2000 Impreza RS coup
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Default Mechanic can't extract bad O2 sensor

I took my '00 rs to my mechanic to install a new O2 sensor i picked up at the dealer. My mechanic said the old sensor was somehow stripped from some one trying to extract it before, I guess with the wrong tool. He said to get it out he would have to pull out the whole exhaust and heat it (weld it, i guess) in order to get it out. This would cost $185.

Before I took it to my mechanic i asked the sub dealer how much it would cost to replace the O2 sensor, and they said $120 for labor(part costs $80).

I don't know if i should go ahead and take it to the dealer. If this is a problem they will obviously charge more than the $120, but if there is a trick to getting it out it may just be the $120.

I just got this car about 2 months ago, and i know from the dealer that the recalled O2 sensor had already been replaced.

Does anybody know what could have happened to this O2 sensor to get it stuck inthere like that?
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Old 04-03-2003, 10:22 PM   #2
Mike Wevrick
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Like the mechanic said, somebody stripped it using the wrong tool. Unfortunately you may be stuck paying the extra $$
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Old 04-03-2003, 10:26 PM   #3
Flowmastered87GL
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Here is your reason to go aftermarket on your exhaust now
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Old 04-03-2003, 11:01 PM   #4
dingo dave
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what aRE SOME ideas on an after market exhaust. How much am i looking to spend(not much) and what are the benifits?

Where would i go to shop for one?
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Old 04-04-2003, 08:27 PM   #5
obyone
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Quote:
Originally posted by dingo dave
what aRE SOME ideas on an after market exhaust. How much am i looking to spend(not much) and what are the benifits?

Where would i go to shop for one?
First off....was it the first or second O2 sensor that is the little bugger?

If it's the first one, and you don't want to spend too much money, go with the borla headers. They fit onto all stock locations, are pretty cheap ($300 I think), and will give you a nice HP improvement and exhaust tone improvement. The only down side is that they do not give you the most HP for a header replacement, but to get those, you'd have to spend wayy more than $300.
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Old 04-05-2003, 07:49 AM   #6
zoinkssooby
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the headers are not directly connected to an o2 sensor on the MY00 RS (just did mine last week). the first sensor is on the cat section just behind the header. the second sensor is further back but, im not sure what part since i didn't need to know at the time.
www.rallitek.com has a hi-flow cat for $395
check the vendors section of i-club for a random tech cat for $338
IMO, you should buy the new exhaust piece and tools that you need and do it yourself.
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Old 04-05-2003, 10:32 AM   #7
Keith Cournoyer
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Default 2nd o2 sensor

Hi, I had the exact situation with my headers, except I don't think the Sensor is stripped. I think it's probably melted inside there, mine was! This will give the appearance that it is stripped. The exhaust shop guy simply heated up the surrounding area with a torch and turned like hell. You can run your car with the second one removed, but will sound like crap because of the hole, unless you can plug it up. Also, there will be a check engine light. Look for the MRT header if your staying NA. Nice gains! If going turbo, stay with the borla or stock unit. Good Luck, Keith
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Old 04-05-2003, 11:12 AM   #8
spiralsmurf
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actually the first sensor is in the headers, not behind the cat.
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Old 04-05-2003, 01:55 PM   #9
Surb00
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I have stock headers and cat sections from a 99 RS. I could sell you whichever part you need for cheaper than its going to cost to fix. Let me know if you you want them.
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Old 04-05-2003, 06:42 PM   #10
zoinkssooby
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Quote:
Originally posted by spiralsmurf
actually the first sensor is in the headers, not behind the cat.
as i said... i just put on borla's (4th gen.) last week. i have a MY00 RS and i did not have to pull out the sensor because it is not on the headers. it is just before the cat on the cat section. maybe the other versions of the header had the sensor bung on them but, mine did not.
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Old 04-06-2003, 08:47 AM   #11
ChicksDigWagons
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$185 to take off a small section of pipe and remove an O2!?!?! Crap, you should just take the pipe off yourself and bring it to him to heat up and take the old 02 out. Install the new O2 yourself and put it all back together. If you have some decent pliers and a MAP gas torch from Wal-Mart you could probably even get the old O2 yourself. If you don't have tools, $185 will BUY you some.
-Brad
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Old 04-06-2003, 04:51 PM   #12
matt8416
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Default O2

the o2 is in the cat on stock exh. if you do not want it mess up any further take the car or undo the 6 nut to the head, the one bolt on trans hanger, the two bolts to the B-pipe and take your cat to the dealer. i would take the car, ask for a master tech they have the tools to do the jod right
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Old 04-06-2003, 06:48 PM   #13
Kevin Thomas
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Default dingo dave

dingo dave,

Why not take it to the dealership to see what the cost will be? They may or may not charge extra for it being 'difficult' to pull out. Just don't say anything about the problem and take it in to get the job done for $120. If they say they are going to charge extra (post $185), then say nevermind.
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