 Installed MBC Not working! |
 Apr 4, 2007 - 6:20 PM
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Enthusiast  Joined Mar 4, '06 From Ohio Currently Offline Reputation: 10 (100%)  |
Ok so I just put a MBC on my car last night. No matter how far up I crank it, I wont boost over 5 psi. I spliced into the turbo pressure vaccum hose (between the turbo and the wastegate), ran that to the INLET of the mbc. Then ran the OUT on the mbc to the wastegate. I then pinched off the vaccum hose that is on the other side of the wastegate. I believe it goes to the factory boost controller. What am I doing wrong?
I know I have to disable the tvsv. Can anyone confirm if its the blue connector under the intake? Thanks This post has been edited by toyotacrazy: Apr 4, 2007 - 6:22 PM |
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Apr 5, 2007 - 8:28 AM
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 Enthusiast Joined Aug 28, '04 From FLA USA Currently Offline Reputation: 4 (100%) |
Do you have an air compressor or a bike pump? Remove the MBC from the car and connect the inlet of the MBC to the pump and outlet to a hose and stuck the hose in a glass of water. Let air in the MBC start from low pressure first. Once the MBC opens, you should see air/bubble coming out. If air/bubble comes out right away (at tightest setting, adjusting screw is all the way in), the MBC is bad and will not hold the pressure.
This post has been edited by Gary: Apr 5, 2007 - 8:28 AM -------------------- _Gary
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Posts in this topic
toyotacrazy Installed MBC Not working! Apr 4, 2007 - 6:20 PM
defgeph Are you throwing any CEL codes ? You could be in ... Apr 4, 2007 - 6:26 PM alltracman78 Jeff, if the MBC is working right and hooked up ri... Apr 4, 2007 - 6:52 PM
toyotacrazy QUOTE(alltracman78 @ Apr 4, 2007 - 6... Apr 4, 2007 - 7:17 PM Supersprynt I dont think you have this hooked up correctly. If... Apr 4, 2007 - 7:35 PM alltracman78 QUOTE(Supersprynt @ Apr 4, 2007 - 7... Apr 4, 2007 - 7:39 PM Supersprynt Bad word usage, didn't mean bypass as I meant ... Apr 4, 2007 - 7:42 PM toyotacrazy QUOTE(Supersprynt @ Apr 4, 2007 - 7... Apr 4, 2007 - 7:48 PM Supersprynt Wait, you did what? You crimped what exactly? Apr 4, 2007 - 8:06 PM toyotacrazy QUOTE(Supersprynt @ Apr 4, 2007 - 8... Apr 4, 2007 - 8:37 PM lagos you said you spliced into the line from the tubo t... Apr 4, 2007 - 9:38 PM toyotacrazy QUOTE(lagos @ Apr 4, 2007 - 9:38 PM)... Apr 4, 2007 - 10:11 PM brianforster RE: Installed MBC Not working! Apr 4, 2007 - 9:56 PM lagos what do you mean by "spliced"?
the pic ... Apr 4, 2007 - 10:25 PM toyotacrazy QUOTE(lagos @ Apr 4, 2007 - 10:25 PM... Apr 5, 2007 - 5:06 AM Supersprynt Haha sweet diagram!
If you have it the correc... Apr 5, 2007 - 8:15 AM WannabeGT4 QUOTE(Supersprynt @ Apr 5, 2007 - 8... Apr 5, 2007 - 9:30 AM Consynx what is mbc is backwards Apr 5, 2007 - 9:24 AM Gary QUOTE(Consynx @ Apr 5, 2007 - 9:24 A... Apr 5, 2007 - 9:43 AM toyotacrazy Ill take it! PM me. Thanks Apr 5, 2007 - 12:37 PM phattyduck Don't forget, it depends on what TYPE of MBC h... Apr 5, 2007 - 2:32 PM toyotacrazy QUOTE(phattyduck @ Apr 5, 2007 - 2:3... Apr 5, 2007 - 7:36 PM phattyduck QUOTE(toyotacrazy @ Apr 5, 2007 - 5... Apr 6, 2007 - 2:15 AM toyotacrazy QUOTE(phattyduck @ Apr 6, 2007 - 2:1... Apr 6, 2007 - 5:12 PM phattyduck QUOTE(toyotacrazy @ Apr 6, 2007 - 3... Apr 6, 2007 - 7:00 PM toyotacrazy QUOTE(phattyduck @ Apr 6, 2007 - 7:0... Apr 6, 2007 - 11:06 PM Gary QUOTE(toyotacrazy @ Apr 6, 2007 - 11... Apr 7, 2007 - 4:45 AM toyotacrazy QUOTE(Gary @ Apr 7, 2007 - 4:45 AM) ... Apr 7, 2007 - 10:16 AM toyotacrazy when I took the mbc apart there was a spring and a... Apr 6, 2007 - 5:16 AM toyotacrazy I have my car back to a stock setup. I know that m... Apr 6, 2007 - 6:29 PM phattyduck QUOTE(toyotacrazy @ Apr 6, 2007 - 4... Apr 6, 2007 - 7:03 PM Gary I don't get it. Why don't you just test th... Apr 7, 2007 - 6:33 PM |
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