Can't boost past 10psi...wastegate and vacuum lines ok!!
#47
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Guys, last night my car had problems boosting pass 10psi, it would aslo backfire. Today, I switched my spark plugs and it boosting at 21psi again.
Might not be the problem but easy enough to try first.
Might not be the problem but easy enough to try first.
#50
Yeah, I'm having similar issues, I'm maxing out at 15/16psi sometimes 17 pounds. No audible leaks, but I suppose a boost leak test is in order, although I have been having similar, albeit less drastic, symptoms as Scarface2jz..... slight rattling in the exhaust and I did hear a slight pop 2-3 weeks ago prior to it dropping in psi.
But the thing is it spools up just fine and reaches ~15psi no problem, just levels off there though.
Honestly I hope it is the exhaust, it'll just give me another excuse to replace the stock unit lol...
Any recommendations on pressure testers?
But the thing is it spools up just fine and reaches ~15psi no problem, just levels off there though.
Honestly I hope it is the exhaust, it'll just give me another excuse to replace the stock unit lol...
Any recommendations on pressure testers?
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delongedoug
Evo Engine / Turbo / Drivetrain
46
Sep 7, 2011 04:04 PM