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Old 09-23-2007, 11:11 PM   #1
tedstriker
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Member#: 156039
Join Date: Aug 2007
Default normal driving then CEL and Limp mode

Hi Guys,

I have a 2004 sti that is stock. I bought if from a guy who had a big turbo on it plus all the supporting mods. I drove it 1000 miles to take it home, and it ran fine, no problem.

I was driving today, normal, spirited driving, nothing crazy, when the car suddenly goes into limp mode, with the CEL and cruise light flashing as well.

I parked and went inside for a while. WHen I got back into drive the CEL was gone, but withing 30sec of driving, it came back on.

Any idea what this could be? the owner had 06 wrx fuel rails and injectors on it, instead of the stock sti. as well, I just had day time running lights installed. could either of these be the culprit? Any help would be appreciated, as I'm pretty stressed about my car having problems now. Thanks.
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Old 09-23-2007, 11:15 PM   #2
UkNuck
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Member#: 21808
Join Date: Jul 2002
Chapter/Region: E. Canada
Location: National Capital Region
Vehicle:
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no one can help you until you

(a) get the code scanned and

(b) list your mods in detail
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Old 09-23-2007, 11:28 PM   #3
tedstriker
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I'ts at the dealer now, I'll know more about the specific code tomorrow. the mods are:

forged wiseco pistons 100mm
balanced crank
supertec springs
WRX fuel rails and injectors, walpro 255

that's about it. I was driving normally, with a few faster accels.

what codes can trigger limp mode? lean, over boost, or could it be something different?

It was just serviced, where they hacked into the wires to add the day time running lights...... any ideas would be greatly appreciated.
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Old 09-24-2007, 12:30 AM   #4
tedstriker
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anyone...?
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Old 09-24-2007, 01:22 AM   #5
rkramer
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Chapter/Region: MWSOC
Location: North Dakota
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2015 WRX Limitec

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doesn't even bother to speculate... anywhere from loose gas cap to engine about to blow. go to bed, get the code read in the morning!
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Old 09-24-2007, 11:39 PM   #6
tedstriker
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Never got the exact code from the dealer, but their are 2:

1. for the TGV valves
2. for the TGV valve sensor?

any ideas?
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