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W211 AMG Discuss the W211 AMG's such as the E55 and the E63

AIT values and kompressor shut off

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Old May 19, 2017 | 10:42 AM
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Pieter Schepers's Avatar
Pieter Schepers
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From: Erpe
E55 AMG Wagon
AIT values and kompressor shut off
My E55 shuts down the super charger after one WOT pull. My first thought was to replace the pump but I decided to check things first. I hooked up the STAR and found the effective AIT value in volt. With a warm engine I was reading around 0.5V and after one pull it dropped to 0.22V.

According to this threat I should measure completely different values

https://mbworld.org/forums/w211-amg/...nge-specs.html

Am I missing something??

I also measured the resistants of the sensor and I was reading 1.2ohm (warm engine). The car gives me no fault codes.


Pieter
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Old May 19, 2017 | 11:32 AM
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From: Houston
2003 W211 E55, 2003 W220 S600
Your IC pump has gone bad
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Old May 19, 2017 | 11:54 AM
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From: Sandy Eggo
2006 CLS55
I would agree with Shardul.
Check your actual IAT before you go too deep into dissecting the voltages and such.
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Old May 19, 2017 | 04:48 PM
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MACEDON
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05 E55, 98 CLK320
How do you get this pump to run constantly btw? I wanna get my mechanic to do it when I bring it in to him
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Old May 20, 2017 | 08:12 AM
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Pieter Schepers
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From: Erpe
E55 AMG Wagon
I will just change the pump and see if it solves my problem. They only cost 125€ so it's not the end of the world.
Do you need to rewire to have the pump constantly on or is it programmable?
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Old May 22, 2017 | 04:31 AM
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W211 E55 AMG
I think mine is dead too . Ambient was ~16oc .

AIT values and kompressor shut off-c10fkbl.png
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Old May 22, 2017 | 10:37 AM
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2004 E55
Originally Posted by supreame
I think mine is dead too . Ambient was ~16oc .


What logging suite is this Supreame?
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Old May 22, 2017 | 10:39 AM
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From: Sandy Eggo
2006 CLS55
Originally Posted by BoostedAero
What logging suite is this Supreame?
+1 I like it....but that is such a LONGGGGG period to view
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Old May 22, 2017 | 11:08 AM
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2004 AMG E55
Looks like Torque logging exported to a .CSV file.
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Old May 22, 2017 | 09:50 PM
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W211 E55 AMG
Originally Posted by seanol
Looks like Torque logging exported to a .CSV file.
Yep that's what I used .
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Old May 23, 2017 | 10:28 AM
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From: Sandy Eggo
2006 CLS55
I've tried a couple times with torque but each time i go to export it gives me an error. I'll have to try a different device.
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Old May 24, 2017 | 08:35 AM
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2004 E55
Originally Posted by FunkTron
I've tried a couple times with torque but each time i go to export it gives me an error. I'll have to try a different device.
I log with my android head unit and I always have to save the files to the microSD then pull it and look at the hard file on the PC :-/ The same thing happens when I use my ancient old Samsung Tablet

I guess with certain flavors of droid Torque struggles to export
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