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Old 11-03-2017, 12:51 PM   #1 (permalink)
EVOtuners Member
Club Region: Rocky Mountain
Registered: Nov 2017
Posts: 1
Reputation: Zac303 is an unknown
Newbie with new problems

Hey everybody, new to this forum. Been reading lots and need help. I have 2015 lancer that is boosted. Its been running great until we turned up the boost. He wanted to see me at 10psi... But this is a little alarming do to the fact I have a MBC set for 10psi. I also have a turbo smart wastegate set up for 10psi as well. So in theory I should be at 10psi right from the start. Since this I have ran into issue after issue. I believe I have a big boost leak. But cant find it. Ive checked everything twice. No luck. My car just as of a week ago started to bog down with no acceleration. Holding -19 psi of vacuum at idle. Then says 0 when driving around 3k rpm. When I try to go it sound okay till about 3500 rpm then my car makes a weird loud drone sound. Like not enough air going through a big pipe or something. Idels fine just no acceleration at all. Takes me 45 seconds to get to 20 mph.

I've replaced my maf two days ago no change.

I need to do a boost leak test but dont have access to a compressor.

Turbo is a 16g td05 off a evo x
Turbosmart wastegate
Hellmans mbc
Custom hardpiping for lower and upper ic
Modified downpipe to fit stock exhuast with greddy axle back.

If anyone could be of help that would be great!
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