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Location:
Brisbane
Registered:
July 2002
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I supported Toymods
On probation
Location:
Brisbane, Queensland
Registered:
January 2003
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Re: Installed boost controller but its not working properly.. HELP
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Mon, 07 June 2004 08:28
 
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Boost Gauge... he means boost gauge! 
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Location:
Brisbane
Registered:
July 2002
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Location:
Brisbane, QLD
Registered:
February 2003
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Re: Installed boost controller but its not working properly.. HELP
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Mon, 07 June 2004 08:34
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i've never ever played with a boost gauge
but perhaps this might help with some trouble shooting...
try unplugging the gauge line from the t-peice
rev the engine and feel for any "air" comming from the t-peice
if you dont feel anything then perhaps the gauge is fubar?
i've seen this on refrigeration gauges, shows a reading when in vacuum(never overly accurate but it shows a vacuum) but no positive pressure
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Location:
Brisbane
Registered:
July 2002
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Re: Installed boost guage but its not working properly.. HELP
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Mon, 07 June 2004 09:01
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when i said "on boost", yes i meant driving with load on the engine
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Registered:
August 2002
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Location:
Brisbane
Registered:
July 2002
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Re: Installed boost guage but its not working properly.. HELP
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Mon, 07 June 2004 09:19
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i think it may have something to do with air con system?
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Registered:
August 2002
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Re: Installed boost guage but its not working properly.. HELP
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Mon, 07 June 2004 09:20
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haha then its probably the VSV valve.......it bleeds air until the heater is turned on, then its used for the climate control.
Thats my guess anyway....
If thats the case, time to move the T piece
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Location:
Brisbane, QLD
Registered:
February 2003
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Registered:
August 2002
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Re: Installed boost guage but its not working properly.. HELP
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Mon, 07 June 2004 09:48
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2 posts up.
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Location:
Brisbane
Registered:
July 2002
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Re: Installed boost guage but its not working properly.. HELP
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Mon, 07 June 2004 10:34
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i tried it on 2 more
that one that leads where ive circled.. and the one thats just below that on manifold.. again vac works... no boost
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Location:
Brisbane, QLD
Registered:
February 2003
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Re: Installed boost guage but its not working properly.. HELP
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Mon, 07 June 2004 10:45
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i just pulled a memory from somewhere
not sure how accurate it is
but shouldnt you the vacuum line that runs from the intake manifold to the fuel pressure regulator?
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Location:
Brisbane
Registered:
July 2002
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Re: Installed boost guage but its not working properly.. HELP
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Mon, 07 June 2004 11:08
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jsut cut the little hose up near the engine dip stick and put it there... looked promising with it finally going into positive boost for like a millisecond when i started the car(just flickered).. but again.. same shit
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Location:
sydney
Registered:
March 2003
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Re: Installed boost guage but its not working properly.. HELP
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Mon, 07 June 2004 11:45
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i always find that runnin the black vac hose then sliding the white plastic pipe inside the hose is nooo goood
they leak
make sure u have a veryyyyy good seal where the white pipe goes into the black vacuum tubing
another thing is u really should not t piece the vac line into the map sensor hose
im not tooo sure but the second time u fitted the vac hose
t piece looks like it might be map sensor
i might be wrong
just double check it
u really dont want any interuptions on the map sensor hose
just a thought
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Location:
Brisbane
Registered:
July 2002
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Re: Installed boost guage but its not working properly.. HELP
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Mon, 07 June 2004 14:05
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im getting really sick of this.. i dunno what its doing.. but its not working at all
vacuum is fine..... but still showing no boost
if i blow into the line it rises to about 1 psi..
so it should be working correctly
seems to be sealing very well..
ive got it on the one next to the engine oil dipstick in 1st pic now
if i am to take the T piece out i will have to buy a new hose and put it on
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Location:
Inside a giant turbo (syd...
Registered:
June 2002
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Re: Installed boost guage but its not working properly.. HELP
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Mon, 07 June 2004 14:32
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you just T'd into the wrong vac line thats all... work out which is the right one and you will be fine.
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Location:
Brisbane
Registered:
July 2002
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Re: Installed boost guage but its not working properly.. HELP
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Mon, 07 June 2004 14:37
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| Spanktown wrote on Tue, 08 June 2004 00:32 |
you just T'd into the wrong vac line thats all... work out which is the right one and you will be fine.
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ive tried 4 off the plenum.......
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Location:
Inside a giant turbo (syd...
Registered:
June 2002
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Re: Installed boost guage but its not working properly.. HELP
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Mon, 07 June 2004 14:49
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sorry mate, i cant help you there i dont own a 1jz... try online diagrams? sure you have... sorry
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Location:
Kita-Ku, Sapporo, Japan
Registered:
January 2003
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Re: Installed boost guage but its not working properly.. HELP
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Mon, 07 June 2004 15:00
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sheesh,
you really wanna be sure? drill and tap a hole in the plenum
and take heed of the comment on vacuum tubing over those white T pieces
THEY ARE NOT DESIGNED FOR PRESSURE.
you are most likely loosing pressure from the fittings..
would you run a hose from a turbo or intercooler WITHOUT a hose clamp? would you run a fuel line without a hose clamp?
nope.. and why?? cos they are under pressure  aaahhhh i hear you say 
clamp ALL the fittings for the vac/boost lines.. or they could easily blow off when under boost.
Cya, Stewart
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Location:
Melbourne
Registered:
May 2002
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Re: Installed boost guage but its not working properly.. HELP
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Tue, 08 June 2004 00:28
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your aware the engine only makes boost under load and not free reving?
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Location:
Brisbane
Registered:
July 2002
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Location:
Melbourne
Registered:
May 2002
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Re: Installed boost guage but its not working properly.. HELP
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Tue, 08 June 2004 01:07
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gauge could be faulty go get a big sirange from the chemest and test it
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Location:
Brisbane
Registered:
July 2002
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Re: Installed boost guage but its not working properly.. HELP
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Tue, 08 June 2004 01:22
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when i blow into gauge.. it goes up in pressure
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Location:
Melbourne
Registered:
May 2002
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Re: Installed boost guage but its not working properly.. HELP
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Tue, 08 June 2004 01:26
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| Jag7799 wrote on Tue, 08 June 2004 11:22 |
when i blow into gauge.. it goes up in pressure
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well clean all that out and try air make shure you can get more then 1-2psi to show
Allan
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Location:
Brisbane
Registered:
July 2002
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Re: Installed boost guage but its not working properly.. HELP
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Tue, 08 June 2004 05:56
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when i sit and rev it in neutral when it gets high in revs it creaps up to 1 psi.. but again while driving no boost...
ive put the white teflon tape on all the screw in bits
any ida's?
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Location:
sunny coast, qld
Registered:
October 2002
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Re: Installed boost guage but its not working properly.. HELP
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Tue, 08 June 2004 08:01
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| Allan wrote on Tue, 08 June 2004 11:26 |
| Jag7799 wrote on Tue, 08 June 2004 11:22 |
when i blow into gauge.. it goes up in pressure
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well clean all that out and try air make shure you can get more then 1-2psi to show
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Also, don't rev it too hard in nuetral as I was told it puts major stress on the valves when there is no load.
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Location:
Brisbane
Registered:
October 2002
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Re: Installed boost guage but its not working properly.. HELP
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Tue, 08 June 2004 08:59
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wonder if your lines are full of shit
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Location:
Brisbane
Registered:
July 2002
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Re: Installed boost guage but its not working properly.. HELP
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Tue, 08 June 2004 11:27
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they all seem clean...
chris from sound off was around today and said i was definately on the right line...
theres no chance of leakage at all now...
car is making a shit load of power.. now its spinning the wheels in the dry at id say anything over 4000 rpm.. so its obviously making ample power
im gonna try jakes boost gauge in coming days...
im a bit more worried about the actual car atm.. as its not fully wired
but i still dont see where the problem is.. cause id say it was the gauge if it wasnt making positive pressure when i was blowing into it
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Location:
Brisbane
Registered:
July 2002
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Re: Installed boost guage but its not working properly.. HELP
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Wed, 09 June 2004 01:27
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well.. i now know why the fucking gauge wasnt working..
intercooler hose had blown off hence wasnt making boost
car was still damn fast without boost amazingly.. connected it a few times.. but anything over 5 psi would blow the piping back off again
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Location:
Gold Coast
Registered:
January 2003
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Re: Installed boost guage but its not working properly.. HELP
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Wed, 09 June 2004 12:40
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yeah on the bit were the shit boost gauge supilied white line and it goes into the toyota vac line place a zip tie round it or a couple and make it TIGHT, that what i've done on mine, works good
Nezza 
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