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Old 09-18-2009, 05:21 PM   #1
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Exclamation cat / exhaust issues? HELP!!!!

so i was on the freeway yesterday and i noticed my 160hp xb2 beast (haha) seemed more like a 102hp civic

i was passing a group of cars and it just seemed slow, so about 30 min later i pulled over and i noticed the sound of the exhaust seemed just a little deeper and had a very faint tingy rattle coming out of my tail pipe. i had my wife rev it up to about 2000-2500 rpm and it seemed like it had a deeper buzz coming from the area under the car around the middle door piller. then i had her shut it off and the tail pipe sounded almost like it bubbled (bub bub bub bub)....

could it be my cat?

i noticed a sulfer kinda smell for a few min. but i blammed it on the outside smells

the temp was normal and no check engine light

some one HELP!!!!
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Old 09-18-2009, 06:24 PM   #2
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Re: cat / exhaust issues? HELP!!!!

Sounds like the cat. Was it glowing red?
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Old 09-18-2009, 09:32 PM   #3
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Re: cat / exhaust issues? HELP!!!!

i couldnt tell, but i noticed today it fades in and out.... like after i left the car wash it was sluggish and once i got onto the freeway it cleared up.... and 20 min later it was sluggish again.... errr should i just take it to the dealer and let them take another 110 bucks and see what they say?
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Old 09-18-2009, 09:39 PM   #4
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Re: cat / exhaust issues? HELP!!!!

That should be under warranty for, like 70K-7years.
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Old 09-18-2009, 09:54 PM   #5
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Re: cat / exhaust issues? HELP!!!!

Quote:
Originally Posted by PCH View Post
That should be under warranty for, like 70K-7years.
it is but.... if its not itll cost 110 so i dont wanna take a chance and loose 110 bucks cuz thats my wheel spacers i wanna get
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Old 09-18-2009, 10:45 PM   #6
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Re: cat / exhaust issues? HELP!!!!

Quote:
Originally Posted by elusive_xb View Post
it is but.... if its not itll cost 110 so i dont wanna take a chance and loose 110 bucks cuz thats my wheel spacers i wanna get
It's the cat - take it to the dealer ...



Smell
1. A foul smell is the most common sign of a bad catalytic converter. If you smell what seems to be a rotten egg, and it gets stronger over time, it is probably because the catalytic converter is not working properly.
Fuel Economy
2. A large drop in your fuel economy may be a sign that your catalytic converter is going bad or is blocked.
Power
3. Lack of power, especially at high speeds, may also be a sign that the catalytic converter is going, or has gone, bad.
Idling
4. A vehicle that stalls during idle, or idles rough, may have a blocked or bad catalytic converter.
Acceleration
5. Your catalytic converter may be blocked if you experience bucking or hesitation while trying to accelerate. Additionally, your vehicle may run at a higher than normal temperature.
Considerations
6. A catalytic converter will not normally go bad without an underlying cause. A mechanic should be able to find the original problem and may not have to replace the converter.
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Old 09-20-2009, 07:01 AM   #7
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Re: cat / exhaust issues? HELP!!!!

to the tizzop
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Old 09-22-2009, 02:22 AM   #8
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Re: cat / exhaust issues? HELP!!!!

sounds like plugged cat. no charge to look at unless its not warranty. should be.GL
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Old 09-22-2009, 02:45 AM   #9
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Re: cat / exhaust issues? HELP!!!!

thanks a lot guys... ill take it in soon....
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Old 09-22-2009, 03:35 PM   #10
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Re: cat / exhaust issues? HELP!!!!

I wonder if thereis a spring valve inside the muffler on Gen2 and what happens if it fails to open or close?
While Cat may be deffective it should take a long time of running a very rich a/f mixure or oil to clog it or overheat and melt. Since there is no Check Engine light that was probably not the case. I've seen resticted cats but there was hardly any bad idle with them. The ones that disintegrated usually rattled realy bad especially when cold.
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Old 09-22-2009, 05:25 PM   #11
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Re: cat / exhaust issues? HELP!!!!

a spring valve? lol like a muffler barring? lmao
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