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Old 02-15-2009, 06:32 PM
Max47's Avatar
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Join Date: Jan 2007
Posts: 43
Hall Sensor, Crank Sensor....

Hi J.HIDALGO,

Hummm, Stalling issue...?

The one who will be able to tell you change this part and your trouble will be gone in the world of Sudden Stalling Syndrome (SSS), isn't born yet.

The part who might stall your car are to numerous, from a defect alternator to a fuel pump and all the parts in between, it's almost a bumper to bumper situation.

Symptom might look the same sometime, with different issue.

On a more positive note, with dedication and procedure we can isolate and find those Gremlins causing SSS.

Do not start throwing parts at diagnostic, unless you're lucky, this will get you no where.

The first step in Sudden Stalling Syndrome world is to be able to read the diagnostic socket MB give you, it take me three years to figure that. Well, I'm slow.....

View this Diagnostic Socket as windows to see how your car feel, your car talk to you by those Windows.

The tools you need are not expensive and will open the windows.

You need to be able to read duty-cycle from the X/11 socket, you also need to be able to to read a pulse code reader for the X11/4 socket. All depend year and model of your car you will find the spec. in your shop manual. You also need basic knowlege in mechanic.

You will find plenty of help here if you can come up with info from those windows.

Other than that find a good shop, you trust and let them do the work, but please ask question.... Don't let him throw parts at Diagnostic.

To answer your question:

Quote:
Can the Hall Effect speed sensor stall a car...?
Yeap, you bet, MB get a Technical Bulletin Service (TBS) out in 1997 about this fact. the TBS number is DDAF07_32-U-6701A, on this TBS, OVP, HES, and EHA, was pointed out as a source for SSS.

The only problem the symptom don't fits...

"Engine Stumbles or cuts-out when coming to a stop, engine idle surges intermittenly"

You see what I mean??

Max
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