Torque pro.

[Sgt.Gunny]

I own a 05 gti. It is stock standard. So I'm running torque pro on my phone with Bluetooth obd2 dongle. Just curious to know if anyone is running this as well. Also I'm not sure of the settings eg: is it better to read the maf or map sensor for the boost reading. It says that it peaks at 21psi then will drop to about 6psi and hold for a little while. Is this app accurate cause the boost seems low even in stock form. Thanks to any info into this.

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[gti2slow]

I ran it with a cheap bluetooth module, it was uselessly slow. They support canbus modules now, support is kinda spotty for them right now but I have read they are much faster and will support everything.

 

[Sgt.Gunny]

This is pretty responsive. Its not slow so I'm pretty happy with how it works. I'm just more curious to know if its accurate for the boost reading. Cause if its close to being correct then I'm guessing I have a leak somewhere then.

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[larcic]

when you read psi from the computer you usually have to subtract 14psi (atm) from the readings. so I vote that the readings are off since I know that you don't have -8 psi at redline, thats impossible.

 

[Sgt.Gunny]

Hmm. There is a setting that you can change to so if your running at sea level you can change it 14.7 ,0 or -14.7.

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[larcic]

you also can't peak 21 psi stock

 

[Sgt.Gunny]

Well that's what I thought. So its got me stuffed then unless the divert valve is leaking

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[Das Gespenst]

MAF won't read boost, that's not in the charge side. You have to go off MAP when reading boost but reading it through the sensors is never very accurate. Boost gauge is the only real way to see in real time what your boost is.

Also, if you are peeking at 21 PSI, then the car is not stock. Dropping to 6 psi would indicate there's a problem, but if it was that big of a leak you would be hard pressed to hit 21 psi.

If it's the original DV then it has more than likely failed, the 05 came with the diaphragm style DV and they are a known issue. Updating to the revision D (piston style) would be a very smart move.

 

[Sgt.Gunny]

I would imagine its the stock dv as the pcv was the original one and was replaced month ago. Not bad considering it has over 200000km on it. When I get the car back I will pull the dv out. I did ask the dealership how much a dv was and they said the only way to get one was buying it with a turbo!

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