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Old 06-01-2004, 12:29 PM   #1 (permalink)
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Date registered: Feb 2004
Vehicle: 1997 S500
Location: Las Vegas, NV
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Gas Gauge reads 7/8 Full with a Full Gas Tank

Just filled up my tank Friday afternoon. I always top it off the tank to the nearest dollar. The gas gauge now reads 7/8 full. It was just under a quarter tank when I filled it. I usually fill it back up as it passes 1/2 full.

Has anyone ever R&R'd the tank float or had problems with the gas tank registering full? Thanks in advance for your time & replies... [:)]
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Old 06-01-2004, 12:51 PM   #2 (permalink)
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Date registered: Dec 2003
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RE: Gas Gauge reads 7/8 Full with a Full Gas Tank

common problem... sticky float - mine does it sometimes - the next switch on it registers full....

then it does the opposite at empty...
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Old 06-02-2004, 03:30 AM   #3 (permalink)
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Vehicle: BMW E36, MB W140
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RE: Gas Gauge reads 7/8 Full with a Full Gas Tank


My gas gauge also seems to be inaccurate. It varies by more than 1/8th of a tank. When I accelerate, gauge will go down. And then at a red light it climbs back up. Sometimes it shows lower than expected for a period of time.

Has anyone replaced the fuel-level-sender unit?

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Old 06-02-2004, 08:56 AM   #4 (permalink)
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RE: Gas Gauge reads 7/8 Full with a Full Gas Tank

Filled up my tank again last night thinking maybe I just didn't top it off correctly? -LOL- Well, the fuel gauge read nearly full then moved back to 7/8 of a tank. Yep, the sensor needs R&R, unless I want to live with it. -LOL- Nah, I'll get it fixed or fix it myself this month. [8)]

Here's a thread I found that may be helpful to others. Many thanks to MB9900 of Singapore.




http://www.mbnz.org/forums/forums/thread-view.asp?tid=1165271&posts=6&hl=gas+tank+float
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Old 06-09-2004, 11:49 PM   #5 (permalink)
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RE: Gas Gauge reads 7/8 Full with a Full Gas Tank

[xx(]
Read in the paper today of a class acton suit in Florida. High sulfur fuel causing fuel float problems.
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Old 06-13-2004, 05:36 PM   #6 (permalink)
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RE: Gas Gauge reads 7/8 Full with a Full Gas Tank

Quote:
barry putnam - 6/9/2004 10:49 PM

[xx(]
Read in the paper today of a class acton suit in Florida. High sulfur fuel causing fuel float problems.
Barry
Shell shuts pumps before holiday
500 stations in South affected after company finds high sulfur levels in gasoline, causing empty tanks to appear full
By Alan Sayre

The Associated Press
Originally published May 28, 2004, 4:06 PM EDT


NEW ORLEANS -- Just before the heavy-driving Memorial Day weekend, Shell Oil has stopped the sale of gasoline at more than 500 of its stations in the South because of high levels of sulfur that can ruin vehicle fuel gauges and make an empty tank appear full.

The damage done by the bad gasoline could cause some drivers to run out of gas unexpectedly. Also, car owners may have to replace their fuel gauges -- a repair job that can easily cost $400 to $600.

The tainted gasoline originated at the Motiva Enterprises refinery in Norco, La., according to Shell. Motiva is the refining arm of Shell in the East and South.

The company said it is investigating how the high sulfur levels occurred. Sulfur is naturally present in crude oil; some of it is supposed to be removed during refining.

As of Friday, 119 Shell and Texaco stations were closed in the New Orleans area, and 400 were not selling fuel in Florida, said Shell spokeswoman Helen Bow. (Shell owns the Texaco brand.)

Shell has 25 stations in the Baltimore region. They have not been affected, Bow said.

Gas tanks have a float ball that rises and falls with the fuel level. An electrical system reads the float ball's level and transmits the information to the dashboard fuel gauge. The system uses silver electrical contacts, which can be quickly corroded by sulfur.

The problem came to light this week after drivers began complaining about inaccurate fuel gauge readings.

Besides the New Orleans area, problem fuel turned up in shipments to Miami, Tampa, Sarasota and Fort Lauderdale, Shell said.

Shell is replacing the gasoline at its stations. But Bow did not have an estimate of when all the stations would be pumping again.

Don Redman, a spokesman for Louisiana AAA, said that before the shutdown was announced, he fielded several calls from the auto club's members complaining that their gas readings were way off.

"People have been looking at their odometers because of the high prices and saying, `Hey, wait a minute,'" Redman said.

Shell said it had received 1,800 queries and 825 claims from people who said their fuel gauges had been affected.

Mark Hebert, who lives in Luling, said he filled up at a Shell station on Monday, and 200 miles of driving later, the gauge on his 2002 Impala still read full.

"I just know it has to be between a quarter and a half full at this point," said Hebert, who submitted a claim to Shell and planned to take his car in next week for a replacement gauge.

Guy Valvis, owner of an auto repair shop in Metairie, said he normally handles about two gauge replacements a year. "I've fixed three or four here in the last week, and I've got two in here right now," he said Friday.

Valvis said the repair job entails draining the fuel and removing the gas tank.

On the Net:

http://www.shell.com

http://www.motivaenterprises.com

Copyright © 2004, The Associated Press
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