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Old 10-20-2002, 10:19 AM   #1
bcl55
Scooby Newbie
 
Member#: 12007
Join Date: Nov 2001
Location: Barrie, Ontario
Vehicle:
2002 WRX
Blue

Default Carbon Build Up-Rich Condition?

Just wondering if anyone on the board would now why a car would start to run rich all of a sudden.

I have started to notice a lot more build up of carbon on the tailpipe. More so than usual. This has just started to happen over the last couple of months.

Is their anything that would cause an engine to do this i.e. weather?
Any help would be much appreciated!
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Old 10-20-2002, 10:22 AM   #2
bcl55
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Member#: 12007
Join Date: Nov 2001
Location: Barrie, Ontario
Vehicle:
2002 WRX
Blue

Default

I forgot.

I have a Club Spec Kit with a catless uppipe installed.

I also live in Toronto, Canada and the temperature is starting to drop for the season.
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Old 10-20-2002, 11:33 AM   #3
d00f
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Member#: 6000
Join Date: Apr 2001
Location: Ottawa, Canada
Vehicle:
2000 GC8 STi V4 swap
BRP

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Not 100% sure what's in a club spec kit, but if you're fooling the computer to change the mixture and such then that may have something to do with it. Besides that, fuel pressures?

-Michael
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Old 10-20-2002, 11:56 AM   #4
HndaTch627
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Join Date: May 2001
Chapter/Region: MWSOC
Location: Carol Stream, IL
Vehicle:
'01 GC8 Dinged STM
'09 Concours 14 ABS Black

Default

well the car runs stupid rich as it is, unless it's bogging or hard starting you are fine.

Jeremy
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Old 10-21-2002, 10:22 AM   #5
sdecker
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Member#: 14717
Join Date: Jan 2002
Chapter/Region: South East
Location: Road Atlanta
Vehicle:
2002 WRX, WR Blue
Complete n00b Racing

Default

I have similar mods to you (TXS stage 2 with PDE catless uppipe). I get a lot of buildup at the tailpipe also, but I have just learned to ignore it. Some days you will be running richer than others. From what I've seen on I-club, just about everybody who has some cats missing has the same thing.

I doubt you can do anything about it.

If you do find something though, let us know. I've resigned myself to just dealing with it and using a little metal polish on the exhaust tip occaisionally.

Scott
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