Question about 1999 Subaru Legacy

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My sub where can i get a boost and vacuum diagram for my b4 twin turbo legacy engine

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  • yadayada
    yadayada May 11, 2010

    u will need to buy a factory service manual for this info, not Haynes or Chilton.

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Try this mate. Worked for me. http://www.veloce.pwp.blueyonder.co.uk/Twin Turbo Operation/ttopprt2.htm

Posted on Jan 22, 2012

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Importcarparts.com

Posted on Jul 06, 2009

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1 Answer

Subaru legacy boost


It sounds like a lack of fuel to the injectors. check the fuel manifold pressure and the regulator. run fault codes to check for faulty sensors.

Jan 25, 2014 | Cars & Trucks

1 Answer

I have a Subaru Legacy B4 Twin Turbo 2.0ltr. It


indicates several problems
first is that the scan tool has not got the right protocols for reading the Subaru ECM as there are fuel mixture faults recorded
next check the vacuum hose to the turbo vane actuators and that the vanes are free to move
next check for loose interchanger hoses and holes in the intercooler

Nov 16, 2017 | 2000 Subaru Legacy

1 Answer

What is the average boost for a 2002 subaru legacy twin turbo?


Boost is about .08 Bar at full throttle and drops off as speed builds to about .075 Bar

May 05, 2011 | 2000 Subaru Legacy

1 Answer

I have subaru b4 legacy 1999 with twin turbo from Japan and I would like to increase the torque and speed. Where do I start.


hi i would invest in an electronic boost controller, they remove the dead spot in the revs before the big turbo winds in, they are worth a few hundred dollars but are well worth the money. You also have the option of turning up the boost safely a few psi with these but you will love the difference without the dead spot it will seem like a new car to drive. If you do that and want more still i would get a turbo upgrade, ecu upgrade, fuel pump upgrade etc do all that you can before going with the expensive motor rebuild

Apr 16, 2011 | 1999 Subaru Legacy

1 Answer

Re-installing a twin turbo boxer engine into a 94


CHECK OUT AUTOZONE.COM FOR BOTH OF THOSE ITEMS, JOIN UP_its free and safe_AND YOU CAN DOWNLOAD THE REPAIR GUIDE FOR THIS CAR WITH DIAGRAMS.....

Mar 08, 2010 | 1995 Subaru Legacy

1 Answer

I am after a wiring diagram for a Be5 Subaru Legacy B4 Rsk twin turbo


What kind of wiring diagram are you looking for? If you go to autozone.com and register for free, you will get full free online repair manual with all the info you could want for this car. Google images also carry many wiring diagrams for your vehicle.

Nov 15, 2009 | 2000 Subaru Legacy

1 Answer

1996 subaru legacy rs boost loss


I don't know much about Subaru but I expect the turbo wastegate is controlled by vacuum which is switched by the engine management system.

In the old days the turbo wastegate was normally closed and the manifold pressure was fed into a servo which opened the gate at the predetermined pressure.

The new way of doing things is to have the wastegate normally open and the turbo producing no pressure until the engine management decides the time is right and it switches a vacuum supply to a vacuum servo which then closes the wastegate. With this system the wastegate is constantly moving and so is unlikely to give trouble though the vacuum servo sometimes leaks and vacuum lines give trouble.

A fellow I know had a similar problem where the engine check light would light up and he would lose performance. In theory this was because of an overboost condition but the repair shop after fiddling around with it for a week fitted a new EGR valve to produce a cure.

Sep 04, 2017 | 1996 Subaru Legacy

1 Answer

No boost


Check all the rubber hoses to and from the inner cooler for cracks, make sure all the clamps are tight.

Jul 24, 2008 | 1997 Subaru Legacy

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