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Is wastegate suppose to be open at idle?

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Old 03-25-2013, 10:04 AM   #1
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Default Is wastegate suppose to be open at idle?

I just noticed that my wastegate is slightly open at idle enough to feel exhaust gas coming out. I took it apart but nothing looks out of place, its a tial knockoff from dna motoring. There is a nut inside that i loosened so the valve could close but it still opens up with a little pressure. Im thinking it was just made wrong? I think its causing me to lose power and making me spool late. Also theres a guy selling a tial WG on craigslist for 150 should i go for it or try to fix mines?
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Old 03-25-2013, 10:58 AM   #2
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Default Re: Is wastegate suppose to be open at idle?

No.

Make sure you have the fire ring installed and the boost reference hose is connected to the side port and the top port is vented if not using an EBC.
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Old 03-25-2013, 12:45 PM   #3
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Default Re: Is wastegate suppose to be open at idle?

fire ring is installed correctly. When i tap the thottle slightly it closes up . WG is working fine too. Side port is going to vacuum manifold . Top port is going to my MBC. I was just curious because i thought i might be losing power because of it.
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Old 03-25-2013, 02:16 PM   #4
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Default Re: Is wastegate suppose to be open at idle?

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Originally Posted by Key Enzyme View Post
WG is working fine too.
Are you talking about a wastegate open at idle or the blow off valve?
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Old 03-25-2013, 02:55 PM   #5
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Default Re: Is wastegate suppose to be open at idle?

Had this same issue with a knock-off gate. Get a name-brand one. PTE preferably.
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Old 03-25-2013, 05:55 PM   #6
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Default Re: Is wastegate suppose to be open at idle?

I heard the blow off can be open at idle.

Wastegate. Tial n forget about it
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Old 03-25-2013, 07:10 PM   #7
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Default Re: Is wastegate suppose to be open at idle?

muckman i was talking about the Wastegate. I ended up getting the tial for 130 which i think is a great price. I noticed a lot of differences BIG time! Fully closed at idle. No ,more exhaust gas leak sound. Also spooling much sooner and sounds better!

All thats good now but now i have another problem =[

I have a slight fluctuating idle from 1000rpm to 1200. I checked for vacuum leaks and couldnt find any. I got my car tuned 2 days ago and prior to getting it tuned it was fine on the basemap. Think my tuner did something wrong?
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Old 03-27-2013, 12:33 AM   #8
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Default Re: Is wastegate suppose to be open at idle?

I'll chime and would have to say if it's open that's a big no no and you have a problem
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Old 03-27-2013, 01:31 PM   #9
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Default Re: Is wastegate suppose to be open at idle?

Thats what happens with ebay junk i guess. Swapped it for a Tial and fixed everything
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