04 wrx high egt
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This is a discussion on 04 wrx high egt within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; So i just bought the wrx litterally 2 days ago. 100k miles, 2004 anyways.. i decided to have some fun ...

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    04 wrx high egt

    So i just bought the wrx litterally 2 days ago.

    100k miles, 2004

    anyways.. i decided to have some fun and on the highway open it up. at 70mph the (prosport) egt gauge reads about 1400 farenheit.
    4th gear probably real close to WOT and the egt gauge started beeping and turned red (1600 i believe)

    is this normal for a 4th gear pull? or is there something i need to look for. i did research but didnt find straight answers
    t
    from the looks of it, there are a few straight pieces welded into the exhaust system i see and a greddy muffler, other than that i know nothing and it looks stock.

    thanks in advance

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    Registered User frenziedcage's Avatar
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    While under WOT you will see higher temperatures 1600 isn't surprising at WOT it can also be a lot higher too. However it also depends where the egt sensor is connected on your wrx. If its on the up pipe the temperature reading will read lower than if it was on the exhaust manifold. The exhaust manifold is the proper place for a egt sensor to be located to get the correct readings.

    You can also check out this nasioc post Normal EGT's? - NASIOC

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    Master Baiter EJ257's Avatar
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    Where's the gauge installed?
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    Quote Originally Posted by EJ257 View Post
    Where's the gauge installed?
    I think you mean sensor...
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    Registered User Heide264's Avatar
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    Slight tangent... but could you get a list of modifications from the previous owner?
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    Quote Originally Posted by Heide264 View Post
    Slight tangent... but could you get a list of modifications from the previous owner?

    just from visual site i can see under the car, there are two pieces of pipe welded in (assuming cat deletes)?
    air filter mounted in the fender well
    idk where the egt sensor is at. havent been able to get under the car to look.

    where can i look if i pop the hood to see? idk where the exhaust even routes on these

    prosport peak boost and egt gauges.

    other than that... idk

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    i got a data logger now. i stopped logging for some reason and froze while i drive. ill get another but i took this screen shot.Click image for larger version. 

Name:	log 1.jpg 
Views:	37 
Size:	111.9 KB 
ID:	108155

    i dont have excel and thats what it seems to want to save a file to.
    what does everyone else do when they run a log? how do you save it?

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    Master Baiter EJ257's Avatar
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    Re: 04 wrx high egt

    Logs are saved as CSV files. They can be opened in any text editor. The benefit to a spreadsheet program is it makes it easier to read.
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    yeah well to explain the problem im having... i changed the fuel filter and it still does it.
    When i stomp on it once it reaches like 4800-5000 to like 5800 or around there it has a lean cut out. (it feels like)

    almost like fuel cut. it hits a dead spot but will still slowly climb to 6k or so then it will wake up again and pull.

    im not sure where else to head, besides tune. idk if its been tuned for the downpipe and intake, and turbo back exhaust with no cats.

    Is there a way to tell if its been tuned?

    thanks for any help in advance everyone

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    Quote Originally Posted by EJ257 View Post
    Logs are saved as CSV files. They can be opened in any text editor. The benefit to a spreadsheet program is it makes it easier to read.
    what i would like is it to record for the time im driving, so i can go back and watch the numbers move around, is this possible? or is that what its suppose to do haha

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    Master Baiter EJ257's Avatar
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    Quote Originally Posted by dillon04wrx
    yeah well to explain the problem im having... i changed the fuel filter and it still does it.
    When i stomp on it once it reaches like 4800-5000 to like 5800 or around there it has a lean cut out. (it feels like)

    almost like fuel cut. it hits a dead spot but will still slowly climb to 6k or so then it will wake up again and pull.

    im not sure where else to head, besides tune. idk if its been tuned for the downpipe and intake, and turbo back exhaust with no cats.

    Is there a way to tell if its been tuned?

    thanks for any help in advance everyone
    Pull the map with ECUFlash

    Quote Originally Posted by dillon04wrx
    what i would like is it to record for the time im driving, so i can go back and watch the numbers move around, is this possible? or is that what its suppose to do haha
    That's exactly what a log will do. It will tell you the parameters you have selected based on time.

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    Quote Originally Posted by EJ257 View Post
    Pull the map with ECUFlash



    That's exactly what a log will do. It will tell you the parameters you have selected based on time.

    If you don't have MS Office and don't want to buy it, you can get OpenOffice for free:
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    I was an OO user for about 5 years before I started getting MS Office for $10...

    okay well with my car cutting out and such i need to figure it out since it seems like a lean cut out.

    i was told to get a data logg but idk what parameters people want me to pull up for them to help out

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    Admiral Ackbar the 1st mycologist's Avatar
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    Do a basic log - instructions with list of parameters here:

    Datalogging with Romraider:
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    believe i got myself a slipping clutch now also...
    109k miles, and in a 15 psi 4th gear pull it will rev 4k to 5k then come back down and pull

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    Admiral Ackbar the 1st mycologist's Avatar
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    Bummer, that does sound like a clutch issue for sure.
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