Check Engine Light.....please help!!

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Feb 23, 2003 | 09:06 AM

BrianA

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Check Engine Light.....please help!!

HEy Guys,
I need some help!!! I have a my02 wrx wagon with the followng mods:
IHI VF 30, flatt racing header and down pipe, injen cold air intake, HKS EVC IV silver, HKS exhaust, GFB BOV, and I think thats all engine wise,

Anyway whenever I drive on the highway for more than 15 minutes in 5th gear at lower RPM's my check engine light goes on. When I put in my downpipe I installed that little eliminater that you splice in on the top O2 sensor but the problem was there befor I even did the catless conversion. I had the CEL code pulled and they told me it was my mass airflow sensor. Can anyone help me fix this problem??!!! That damn light is so friggin anoying, please help!!
-Brian

Mar 6, 2003 | 03:30 PM

turbo99

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You will get used to it after a while. I drove 3 yrs with it on. The only time i noticed it was when it would flash at me.

thanks,
Greg

Apr 16, 2003 | 02:28 PM

woohoosubaru

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if you are getting a CEL b/c of the MAF its b/c of the intake...I've heard of a lot of people having this problem

Apr 16, 2003 | 10:11 PM

ImprezaRSX

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Joined: Nov 2002

Posts: 1,821

From: Washington

Car Info: 93 BG5, 00&01 GM6, 06LGT, 07STi

Sounds like MAF or Emissions Low Efficiency (or whatever they call it)
Most likely it's the cats- or lack of.

Apr 20, 2003 | 12:03 PM

Silver WRX420

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ever since the day that i did the exhaust and took out all the cats that little orange light has been on...i didnt get it when i put my intake on, but if it only goes on low rpm 5th gear i wouldnt worry about it too much

Apr 20, 2003 | 01:08 PM

ImprezaRSX

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Joined: Nov 2002

Posts: 1,821

From: Washington

Car Info: 93 BG5, 00&01 GM6, 06LGT, 07STi

Nothing's more IN-EFFICIENT than having no Cats at all!!

Apr 20, 2003 | 05:16 PM

Silver WRX420

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not giving me a problem in the world...been running good for 20,000+ since all cats were removed and nothing but more power gains were noticed...runs very good actually

May 5, 2003 | 04:53 PM

4830DeuceWRX

Registered User

Joined: May 2003

Posts: 34

From: Bloomfield Hills, MI 48302

Car Info: 2002 White WRX

I got a CEL when i got my intake too. No biggie, I read the manual and the light only comes on when its something with your emissions so that pretty much tells you its your mods, if your flowin more air the ECU will most likely freak out and you CEL will come on.