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Fu P0300!!!!

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Old Aug 6, 2005, 06:34 PM
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Fu P0300!!!!

After my third "p0300 flash" from the dealer.......guess what pops up again after a thousand miles.



Im getting tired of having to reflash this problem. Other than the HKS cat-back exhaust and Eibach springs everything else is stock. What a headache!
Old Aug 6, 2005, 07:13 PM
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Sounds like you need a new EVO...
Old Aug 6, 2005, 07:41 PM
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Great photography!
Old Aug 6, 2005, 07:50 PM
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that's funny, the pic that is
Old Aug 28, 2005, 07:18 PM
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Damn It!!!! p0300 AGAIN! I guess I'll be going to the dealer again for a 4th flash.........If this keeps up I think Ill sell or trade this POS in.
Old Aug 28, 2005, 07:20 PM
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actually don't need to do that.. simply buy that little 02 sensor that tricks the stock ECU.. I think it runs $20 and once in no more P0300 code
Old Aug 28, 2005, 07:22 PM
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Maybe it's tatoos.
Old Aug 28, 2005, 07:25 PM
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change your plugs or at least check them...

Every time I change my plugs I'll get the p0300 if I dont have it gapped just right. My car seems to like .26 with any iridium.
Old Aug 28, 2005, 07:27 PM
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Originally Posted by EvoVIIIFL
actually don't need to do that.. simply buy that little 02 sensor that tricks the stock ECU.. I think it runs $20 and once in no more P0300 code


Old Aug 28, 2005, 07:56 PM
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Originally Posted by EvoVIIIFL
actually don't need to do that.. simply buy that little 02 sensor that tricks the stock ECU.. I think it runs $20 and once in no more P0300 code
nine, see my response here:

https://www.evolutionm.net/forums/sh...86#post2298586
Old Aug 28, 2005, 08:01 PM
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Get a C-reader and leave it plugged in!
Old Aug 28, 2005, 08:21 PM
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Originally Posted by Jeff_Jeske
Get a C-reader and leave it plugged in!
is this code common with just an exhaust upgrade?
Old Aug 28, 2005, 08:41 PM
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Thumbs up

You should create a list of owners who have this problem and petition mitsubishi.

I remember when I had a 1.8T GTI, the VW community did this and they got a recall for the faulty window regulators and ignition coil packs.

Hope this helps. Good luck.
Old Aug 28, 2005, 08:56 PM
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Originally Posted by nine4surfah
After my third "p0300 flash" from the dealer.......guess what pops up again after a thousand miles.
Im getting tired of having to reflash this problem. Other than the HKS cat-back exhaust and Eibach springs everything else is stock. What a headache!
uhh and the turbo timer, and the big boost gauge, and what else??
Old Aug 28, 2005, 09:00 PM
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Originally Posted by Sackett
uhh and the turbo timer, and the big boost gauge, and what else??
Technically you're correct (they are mods), but IMHO I believe those mods would not have any effect on performance.


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