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Author Topic: feels like misfire and low power. No CEL or codes. only under boost AWW 1.8T  (Read 14758 times)
oldcarguy85
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No. Your fuel system is so inadequate it's a miracle you haven't damaged something.

What turbo? What injectors? FPR? Fuel pump? Other supporting mods?

Everything is completely stock. K03s. Just down pipe no cat and FMIC. Sounds like I need a fuel pump or FPR.

I'll do a pressure test tommorow. Thsnks again!
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ddillenger
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Make sure the line going to your FPR is intact.
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Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience!

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oldcarguy85
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Ya, it is, but for about a month after I did the engine swap the vacum line was cracked off. I'm wondering if maybe it somehow got stuck during that time. I guess only real way to tell is a pressure test. I think they call for 58psi at idle with vac connected.
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userpike
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Ya, it is, but for about a month after I did the engine swap the vacum line was cracked off. I'm wondering if maybe it somehow got stuck during that time. I guess only real way to tell is a pressure test. I think they call for 58psi at idle with vac connected.

My AWP 1.8t GTI calls for 2.7bar @ idle according to my Bentley repair manual. I did check this a long time ago after I installed a FPG and put the stock FPR back in. The engine idled with the needle @ about 39.5 psi, so prettymuch right on.

If you look at NOTORIOUS VR's log you can see he is even having an issue with fueling using a 4bar reg with stock injectors and pump. He is running less boost but a k04 turbo has been installed. AWP 1.8t in a Jetta GLI http://nefariousmotorsports.com/forum/index.php?action=dlattach;topic=4919.0;attach=7600

« Last Edit: November 07, 2013, 08:35:55 PM by userpike » Logged
oldcarguy85
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well -- good news.  so i pulled teh FPR on a hunch this morning before work and it just so happens the lower o-ring had a tear!  I replaced with one i had laying around and seems to be fixed!! I haven't logged anything yet, but seat of the pants it seems to have worked.  I think i'll still grab a 4 bar FPR which will have the correct o-ring and obviously be a smart upgrade anyway.
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overspeed
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I was not rating your tune.... you asked what I dislike in it and I just said.

You can achieve good power and more be more safe with less requested boost, LDRXN and everything I said before... but like I said YOU asked what I didn´t like...

besides the fact fuel here have 25% etanol I can easily reach 215~220cv in these 100% OEM cars making like I said to you...

with 3" downpipe, upgrade exaust, 4bar FPR, inlet and upgraded SMIC I made some cars about 237~240cv.

And with E100 about 250~253cv...

But I see you don´t need my help at all...  good to know you find what was your problem, my best wishes.
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