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#16
05-26-2005, 11:30 PM
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I'd have to do a bit of research, but no, I believe this started in 2000 or 2001, not the first few years.
The dealer personnel, at least if you get past the talking heads, should be at least somewhat familiar with the term "virtual calculation" when discussing ML fuel gauges, unless they stayed to long at Carlos O'Kelleys the night before this was covered in training. Or was it Bennigans? Another area of concern is the body connector for the fuel tank, in the left rear wheel well, it wasn't placed with much thought for what all the raod spray would do to it and can have some connectors corroding in there. If you're LUCKY it's just for the gauge, if not, for the pump! Gilly
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Click here to see a photo album of my '62 Sprite Project Moneypit (Now Sold) Last edited by Gilly; 05-26-2005 at 11:35 PM. 
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#18
05-27-2005, 07:27 AM
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Quote:
Gilly
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Click here to see a photo album of my '62 Sprite Project Moneypit (Now Sold)
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#19
05-30-2005, 02:54 AM
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Gilly, does this star bulletin apply to what you said.
SUBJECT: Model 163.154/157/172/174/175, up to VIN A488107 Inaccurate Fuel Gauge Before Refueling Vehicle If you receive customer reports in the above model vehicles of the fuel gauge dropping to minimum too quickly and the customer can only add a small amount of fuel after the “fuel reserve indicator” in the instrument cluster illuminates, this may be due to a software error in the instrument cluster. To resolve, follow the steps below. 1. Install new instrument cluster per WIS document AR54.30-P-6015GH. 2. Carry out “Pointer Actuations” by using WIN/HHT (Star Diagnosis). Instrument Control Module -> 4. Activations -> 2. Analog Instruments-> Click “on” Last edited by supradupe; 05-30-2005 at 02:59 AM.
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#20
05-30-2005, 05:10 AM
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Mmm, no I don't think that's the one, I don't remember that one. The one I am thinking of involves pulling a fuse for a few seconds (from the fusebox the newer trucks have in the right side kick panel) and reinstalling it, this resets the virtual calculation memory. They do warn against doing small top-offs of the tank, this is what confuses or more or less ruins the virtual calculation.
I don't recall if they mention to change the version coding which makes the cluster stop doing the virtual calculation thing and just work off the level sensor, that bit of info may have come from the zone office guys. Gilly
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Click here to see a photo album of my '62 Sprite Project Moneypit (Now Sold)
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#21
06-13-2005, 10:47 AM
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I found this fix on another forum.
http://mbnz.org/forums/forums/thread-view.asp?tid=1194494&posts=20&fid=29
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#22
05-23-2012, 12:13 PM
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ML 320 2002 (possibly manufactures in 2001) Km 200 000
Issue: fill car with fuel from near empty and know the guage sits on reserve or amber light on occasion on start up the fuel gauge returns to normal for short period then returns to amber light reserve Possible solution:If my interperation is correct fron the great posts is to pull the fuel pump sensor fuse wait a few seconds? If the problem persists check the wiring connector under the left rear wheel arch for corrosion? If wiring is good do a multimeter test like Doc said? If the above readings are good -- just replace the fuel pump???
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#25
06-19-2012, 02:37 PM
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Just heads up - - some useless information perhaps
I was looking to prep - so as to remove the air blend flap motor under the dash board SO I HAD TO DISCONECT THE BATTER NEGATIVE CABLE and AT THE SAME TIME I REMOVED THE FUSE FOR THE FUEL PUMP when i reconnected all the gauge was working showing 3/4 tank
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