Boost leak or boost problem
Nov 4, 2014, 09:22 AM
#1
Boost leak or boost problem
I think I have a boost leak in my car, I have the stock MR gauges which from what I remember I'd hit 1.5 bar or somehwere around there.
I got a tuned and the car felt great but driving in traffic wasn't pssoible due to VTA bov, so I went and recircd the BOV, and I was able to drive in traffic now, but then I had partial throttle cruise bucking, so I switched to an EVO ix DV, which still bucks sometimes but its not as violent.
I just got the car about 1 month plus, but I remember it hitting close to 1.5bar on the stock MR boost gauge. Recently when boosting, when I'm in second it wont go past .5 bar, and when I shift into third it will get close to 1 bar, but usually never goes past that.
Is this an issue with a boost leak? I will be doing the boost leak test this weekend hopefully. I was wondering if I can diagnose till I get to the boost leak test. Only changes I have done was recirc the BOV and then switching to ix DV.
It doesn't appear that any of my vacuum lines have blown off, although I found the line going to the boost gauge cracked at the t-fitting, but overall its on there tight.
Also another issue that I noticed sometimes, is when I'm accelerating, the boost gauge should be moving up in unison, but I noticed that the boost gauge actaully drops as I'm boosting. So it goes from .5bar and drops back down to 0 or even vac. The car also feels very slow, I don't get pushed back in my seat. At first I thought I was getting used to the power, but the car just sounds like its making alot of air sucking noise without really going anywhere. I know what a slipping clutch is like and its not that.
Any input or help is greatly appreciated.
I got a tuned and the car felt great but driving in traffic wasn't pssoible due to VTA bov, so I went and recircd the BOV, and I was able to drive in traffic now, but then I had partial throttle cruise bucking, so I switched to an EVO ix DV, which still bucks sometimes but its not as violent.
I just got the car about 1 month plus, but I remember it hitting close to 1.5bar on the stock MR boost gauge. Recently when boosting, when I'm in second it wont go past .5 bar, and when I shift into third it will get close to 1 bar, but usually never goes past that.
Is this an issue with a boost leak? I will be doing the boost leak test this weekend hopefully. I was wondering if I can diagnose till I get to the boost leak test. Only changes I have done was recirc the BOV and then switching to ix DV.
It doesn't appear that any of my vacuum lines have blown off, although I found the line going to the boost gauge cracked at the t-fitting, but overall its on there tight.
Also another issue that I noticed sometimes, is when I'm accelerating, the boost gauge should be moving up in unison, but I noticed that the boost gauge actaully drops as I'm boosting. So it goes from .5bar and drops back down to 0 or even vac. The car also feels very slow, I don't get pushed back in my seat. At first I thought I was getting used to the power, but the car just sounds like its making alot of air sucking noise without really going anywhere. I know what a slipping clutch is like and its not that.
Any input or help is greatly appreciated.
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