Ndash boost reading?
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Member
Joined: May 2014
Posts: 138
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From: Denver, CO
06' E55 AMG, 03' E55 AMG
Ndash boost reading?
Hey guys I got done installing my ndash yesterday. I already had a zt2 but only have a afr sensor and a rpm tap. I was hoping to pull boost from obd and I see that a lot of guys pull it easily through those Bluetooth apps. My ndash only reads boost up to a max of 6.9 psi. Am I doing somthing wrong in the settings? Couldn't find any info about it in the manual so any advice would be appreciated.
Last edited by PutNavid; Apr 19, 2017 at 12:43 PM.
Thread Starter
Member
Joined: May 2014
Posts: 138
Likes: 5
From: Denver, CO
06' E55 AMG, 03' E55 AMG
strange... well I guess I can either run a boost tap or it might be worth trying to get in touch with ndash or zeitronix and seeing if there's something that can be done. I'll keep this updated if I hear anything from them and if anyone has any more info on this please let me know!!
Thread Starter
Member
Joined: May 2014
Posts: 138
Likes: 5
From: Denver, CO
06' E55 AMG, 03' E55 AMG
I only have two options, "MAP pressure", and "Boost (calculated)" I tried both. Boost shows 6.9 max and map shows over 20. Im thinking maybe I have a boost leak? And I know I was thinking of doing the tap but if I can figure this out itll work for now for my purposes.
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From: Houston
2003 W211 E55, 2003 W220 S600
Subtract barometric pressure from the map pressure reading and you will get the boost reading
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A Merc
3rd gear pull to redline what does it say? If you are stock and says 24-25 in map then that is correct because you have to minus 14.7 but you are in Denver so atmospheric pressure might be more
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Thread Starter
Member
Joined: May 2014
Posts: 138
Likes: 5
From: Denver, CO
06' E55 AMG, 03' E55 AMG
Id have to go back out tonight and try, I did see well over 20 yesterday though but I was more focused on boost. If thats the case and map is reading correctly then its not subtracting to right baro pressure right?
Thread Starter
Member
Joined: May 2014
Posts: 138
Likes: 5
From: Denver, CO
06' E55 AMG, 03' E55 AMG
Does your dashdaq show the option to read barometric pressure blackbenz? I've been talking to a rep from ndash and we found I can't read barometric pressure on my ndash and it's probably subtracting the sea level 14.7 pressure which is why I'm getting a wrong reading. If I can get this info from you and we find that your dashdaq can read baro pressure then a simple update to the ndash will solve the problem and they're willing to help! Please let me know!
