2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

*Check Engine* Under Boost

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Old Jul 19, 2004 | 09:30 PM
  #1  
JAPSPECGTUs's Avatar
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Turbo GTUs Est. 1999
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*Check Engine* Under Boost

Whenever I boost above 2 psi, I get a check engine light? WTF is the cause of this? Bad boost sensor? Bad AFM? Anyone have any clues? Thanks in advance.
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Old Jul 20, 2004 | 10:38 AM
  #2  
JAPSPECGTUs's Avatar
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bump
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Old Jul 20, 2004 | 10:46 AM
  #3  
Turbonut's Avatar
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From: NJ
I assume you have the factory ecu. I don't see any stand alone listed. Can you pull the code and list the errors?
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Old Jul 20, 2004 | 08:09 PM
  #4  
JAPSPECGTUs's Avatar
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Turbo GTUs Est. 1999
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I could do this, but I would need a thorough explanation on how to do this code pulling sequence. Thanks.
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Old Jul 20, 2004 | 09:14 PM
  #5  
Cybaster's Avatar
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From: Castro Valley
I don't know if it is the same problem. but my car was doing that last week also.... actually i reved and passed someone in stop and go traffic.... i actually redlined it (it was fun...) but then my check engine light went on and whenever i boost over 0 (bars?) the car will seem like it is stalling.... and it was like that until i stopped, turned off ignition and started again.

Is it the same problem? and whats wrong? Boost sensor? AFM? BIG vaccum leak?
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Old Jul 20, 2004 | 09:21 PM
  #6  
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From: Zeeland/Holland ,Michigan
go to http://www.iluvmyrx7.com/1989_factor...ice_manual.htm and grab the entire manual if it all possible. The section you need for this explaination is in the fuel and emissions section, under self-disagnostics i believe
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Old Jul 21, 2004 | 01:48 AM
  #7  
JAPSPECGTUs's Avatar
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Turbo GTUs Est. 1999
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I have an extremely slow connection. It's been about 5 min and the page hasn't loaded yet. My car doesn't seem to lose power, maybe your'e fuel injectors are pushing to much fuel and you're bogging, I have no idea about that. Where is IceMark or nz_convertible?
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Old Jul 21, 2004 | 02:32 AM
  #8  
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From: Currently residing in St Charles, MO
Wow, this is an interesting problem, lol.
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