a98pmalcolm Posted January 14, 2012 Share Posted January 14, 2012 (edited) Hi gang. I need some help/advice Small problem just happened with the Supra. I was driving along on the way to the petrol station and I felt like giving some boost, so I put my foot down and at about 4000 RPM it gurgled like a miss-fire kicking on and off power. Got to the petrol station filled up, and as I left tried again and it seemed much better. After just cruising along on the way home I got to the bypass near my village put my foot down and there was next to no boost at all. Looking at the boost controller its struggling to go over 0.6 Bar when I have it set to 1.2 Bar,its as if a boost pipe has come off. The dump valve still goes off but quietly and all boost pipes are on nice and firm. All vacuum pipes are on ok. Any advice guys Thanks Paul Edited January 15, 2012 by a98pmalcolm (see edit history) Quote Link to comment Share on other sites More sharing options...
tooquicktostop Posted January 14, 2012 Share Posted January 14, 2012 0.6 bar is the point where the 2nd turbo comes in, can you feel the second turbo coming on line, it could be a VSV valve problem Quote Link to comment Share on other sites More sharing options...
Dan_Turism0 Posted January 14, 2012 Share Posted January 14, 2012 money would be on a split/lose vac hose somewhere chap Quote Link to comment Share on other sites More sharing options...
a98pmalcolm Posted January 14, 2012 Author Share Posted January 14, 2012 I will have another look at the vac pipes again tomorrow, but they did seem fine when I looked. If its not an issue that I can't solve I'm a little stuck in the mud as I wouldn't really want it sorting as I'm going single turbo this 1/2 of the year.. Quote Link to comment Share on other sites More sharing options...
fastcar Posted January 14, 2012 Share Posted January 14, 2012 money would be on a split/lose vac hose somewhere chap I would go with that. Have really good look for splits in the pipes Quote Link to comment Share on other sites More sharing options...
a98pmalcolm Posted January 15, 2012 Author Share Posted January 15, 2012 Hay all. Ok problem was in 2 places.. 1st problem was on the boost controller solenoid. The black rubber connector that slides onto it which joins the vacuum pipe to the solenoid is slightly damaged and easily slides the vacuum pipe off the solenoid so I put a small dab of super glue on the solenoid tube so that it the rubber connector shouldn't slide off the solenoid now. 2nd problem was the vsv vacuum pipe to the turbos actuator kept popping off so a small dab of glue on the vsv tube and big bash bosh jobs a gooden. I also turned down the boost setting due to the cold weather so my boost wont creep over the softy level of the turbos. Just tested it on my local bypass and all is good, Thanks for the responses guys. Paul Quote Link to comment Share on other sites More sharing options...
fastcar Posted January 15, 2012 Share Posted January 15, 2012 Easy fix nice work Quote Link to comment Share on other sites More sharing options...
Chris Wilson Posted January 15, 2012 Share Posted January 15, 2012 Super gluing pipes on might be easy, buy as a proper fix, err, well, what can I say that's not inflammatory? Nothing, so. What a codge up ...! Quote Link to comment Share on other sites More sharing options...
SupraDan24 Posted January 15, 2012 Share Posted January 15, 2012 Super gluing pipes on might be easy, buy as a proper fix, err, well, what can I say that's not inflammatory? Nothing, so. What a codge up ...! He should have used no nails Quote Link to comment Share on other sites More sharing options...
a98pmalcolm Posted January 15, 2012 Author Share Posted January 15, 2012 what would a proper fix be? A vacuum pipe kept falling off. Its not like I covered it, It was a "dab" being "very small amount" or "a drop" Quote Link to comment Share on other sites More sharing options...
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