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My mates 1JZ has a similar thing...

Pretty sure its to do with the stock boost control system, and the guy/girl before you must've put a boost controller in and blocked off that line...

From what I know that orange thing is a vacuum reservoir or a filter like ^^ he said...

Try tracing the line back to where ever it originates, cos it could in fact be a EVAP line/carbon canister line, which is important for emissions and sh!t...

My mates 1JZ has a similar thing...

Pretty sure its to do with the stock boost control system, and the guy/girl before you must've put a boost controller in and blocked off that line...

From what I know that orange thing is a vacuum reservoir or a filter like ^^ he said...

Try tracing the line back to where ever it originates, cos it could in fact be a EVAP line/carbon canister line, which is important for emissions and sh!t...

According to the service manual it is the 'air inlet pipe' that connects through a 'vacuum tank' to the 'turbo pressure sensor'. Obviously the pressure sensor is not connected at all.

Is this a bad thing? There is no boost controller in the car now although there may have been one installed by the previous owner.

In the middle photo, the bolt head is right next to a black box that looks like the boost pressure sensor. should have hitachi stamped on it. It plugs in underneath, check and see if there's a nipple there for the pipe to fit onto.

Some one has probably removed it to fool the ecu into not going into Rich and retard at higher boost.

Edited by Flargh!
In the middle photo, the bolt head is right next to a black box that looks like the boost pressure sensor. should have hitachi stamped on it. It plugs in underneath, check and see if there's a nipple there for the pipe to fit onto.

Some one has probably removed it to fool the ecu into not going into Rich and retard at higher boost.

You were spot on - there is a nipple for the pipe to fit onto. Now i'm wondering if I should reconnect it or not.

its not a filter.. it just stops pulsing in the line to give whatever it is a good reading....

You see this alot on jap BOV's and even map sensors that have issues with pulsing on the line.

Don't re-connect it unless you know what you are doing :D

its not a filter.. it just stops pulsing in the line to give whatever it is a good reading....

You see this alot on jap BOV's and even map sensors that have issues with pulsing on the line.

Don't re-connect it unless you know what you are doing :D

And in terms of air pressure sensing, they call it a filter... :) The pulsing is referred to as "noise". And it's designed to filter out the noise.

The pulsing is referred to as "noise". And it's designed to filter out the noise.

Do you guys rekon there's any benefit to putting one of these in a pressure line to a map sensor?

I've got a map sensor on my car from the EMS Stinger. Anything that helps the computer get a more accurate load signal has got to be a good thing right??

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