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Weird Fuel Gauge Problem

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Old Jun 25, 2003 | 11:46 AM
  #1  
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Default Weird Fuel Gauge Problem

Well it figures, the Vette has been absolutely perfect. The warranty has been expired for only 2 days and it already has a problem...

You're driving along and for unknown reasons the analog fuel gauge just drops to empty, the HUD displays check gauges, and the red low fuel light comes on the gauges. It's happened twice and so far it "temporarily" corrects itself if you turn the key off/no

Has anyone else had this problem :confused:
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Old Jun 25, 2003 | 11:49 AM
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Default Re: Weird Fuel Gauge Problem (GoodbyeGirl)

Yep... Welcome to the common erroneous fuel guage crowd. The problem is the fuel sender- you'll need to get it replaced. BUt of course, it's IN the fuel tank, so it's not going to be cheap.

This is a VERY common issue. :smash: :smash:
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Old Jun 25, 2003 | 11:58 AM
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Default Re: Weird Fuel Gauge Problem (Umrswimr)

Yep... Welcome to the common erroneous fuel guage crowd. The problem is the fuel sender- you'll need to get it replaced. BUt of course, it's IN the fuel tank, so it's not going to be cheap.

This is a VERY common issue. :smash: :smash:
Thanks for the info. - not good news :(
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Old Jun 25, 2003 | 12:04 PM
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Default Re: Weird Fuel Gauge Problem (GoodbyeGirl)

It's happen to me twice in the last 500 miles (my odo reads 7,800 miles). I take her to the gas station put in about 5 gallons and everything returns to normal. maybe the float is getting stuck.
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Old Jun 25, 2003 | 12:12 PM
  #5  
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Default Re: Weird Fuel Gauge Problem (Mark S.)

Yeah it happens to me when i over fill it only show half full !!

and on long trips it drops to empty
so you pull over and shake the car and restart its fine

looks so cool with a 40k$ car !! People point and laugh !! :mad
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Old Jun 25, 2003 | 12:15 PM
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Default Re: Weird Fuel Gauge Problem (drouns)

Common problem, some say it's the sulfur in the gas, who knows. I'm on my 5th replacement all warranty but parts are nearly 800.00.
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Old Jun 25, 2003 | 12:38 PM
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Default Re: Weird Fuel Gauge Problem (jimman)

Common problem, some say it's the sulfur in the gas, who knows. I'm on my 5th replacement all warranty but parts are nearly 800.00.
FIVE TIMES????

:eek: :eek: :eek: :eek: :eek:
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Old Jun 25, 2003 | 12:49 PM
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Default Re: Weird Fuel Gauge Problem (Umrswimr)

3 with my 2000 with 95K miles and 2 with the 02. Actually 1 repaced in the 02 at 1500 miles and it's acted up a couple of times since but seems to point toward the gas. Been watching that close and I now have 45K on the 02.
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Old Jun 25, 2003 | 01:16 PM
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Default Re: Weird Fuel Gauge Problem (GoodbyeGirl)

Learn to live with it......I replaced both units and it got worse. I really believe it's a design fault............
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Old Jun 30, 2003 | 08:47 AM
  #10  
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Default Re: Weird Fuel Gauge Problem (tabbruzz)

tabbruzz, that's exactly what I plan on doing -- unless the gauge acts up routinely. Eveytime you take your Vette in you risk the dealership messing something else up. I try to keep my visits to an absolute minimum. I change my own oil, air filter, etc. I will let the dealer do a coolant change (now at 4 year intervals), brakes, etc. But I hate taking her in their unless it's absolutely necessary.
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Old Jun 30, 2003 | 10:19 AM
  #11  
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Default Re: Weird Fuel Gauge Problem (GoodbyeGirl)

I'm wondering if this is also my problem.

Filled the tank up about a month ago the analog and HUD fuel gauges only read 3/4 full and would not go beyond that. Let the car sit over nite then started it up. Fuel gauges showed 3/4 and then very SLOWLY crept up to full. This happened a few times. This C5 would get 31+mph all the time on trips now the fuel gauge is erratic and I'm showing on the DIC 17 to 25 mph. Is this related to the dreaded fuel sending unit?
Thanks :mad
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Old Jun 30, 2003 | 12:07 PM
  #12  
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Default Re: Weird Fuel Gauge Problem (GoodbyeGirl)

Try putting a good dose of fuel system cleaner in your tank next time you fill up. The erratic gauge problem happened to me a number of times but one dose of the cleaner has been good for the last 8,000 miles with no further problems. I have taken the precaution of avoiding Shell's Optimax fuel too as I suspect that may have been part of the problem despite it being marketed as just right for high performance cars.
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Old Jun 30, 2003 | 01:08 PM
  #13  
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Default Re: Weird Fuel Gauge Problem (te51cle)

:iagree: You will find another hundred posts on fuel additives, but Chevron Techron works wonders for me. Every time the gauge starts to flutter, I pour in a bottle and it's good for the next several thousand miles. Lots cheaper than replacing a dirty sending unit...
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Old Jun 30, 2003 | 01:44 PM
  #14  
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Default Re: Weird Fuel Gauge Problem (GoodbyeGirl)

You may want to consider purchasing an extended warranty for your car. Parts and repairs are so expensive for our cars, I would not be caught dead without one. Our Forum Dealer can sell you one over the phone for a great price..... :yesnod:

vetterdstr :cheers:
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Old Jun 30, 2003 | 04:07 PM
  #15  
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Default Re: Wierd Fuel Gauge Problem (GoodbyeGirl)

This is a common problem. You will have a 1431H code in the PCM -- which you can check through the DIC. Leave it for the dealer to see.

Also, I kept having this problem (three replacements) on my 2000, until they also recalibrated my PCM. Make sure the dealer flashed the PCM with the current software, in addition to replacing the sensors, and your problem should be solved.

:smash:
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Old Jun 30, 2003 | 04:17 PM
  #16  
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Default Re: Wierd Fuel Gauge Problem (EHS)

I just did this, while driving view the codes (hold options button and press fuel 4 times) and then clear the code. Did this twice and then it stopped happening.
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Old Jun 30, 2003 | 05:48 PM
  #17  
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Default Re: Wierd Fuel Gauge Problem (EHS)

I had the same problem, had the fuel sending units replaced over 2 years ago and it has not shown up since.

Coincidentally a Texaco opened up right by my house, so I have been running Texaco gas ever since without any problems. Rumors around here seem to mention certain brands of gas as the cause. Some also say running techron every few tanks helps with the problem.
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Old Aug 24, 2004 | 03:40 PM
  #18  
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Default Fuel Gauge Voodoo

My 98 convertible has also been in the fuel gauge twilight zone. The gauge drops to E and the "check gages" light goes on, after about a half-hour on the freeway. Sometimes it returns to normal after turning off the engine and restarting. Other times, the gauge just starts working again on its own as I drive. I had my "right side fuel meter assy" replaced at the dealer, for $754.00, but I'm still having this problem. I like the suggestion about chevron techron, I will try it next tank. Maybe our cars just aren't getting enough fiber in their diets; I try to feed mine a mustang about once a week. My Vette especially likes to eat the ones with the little worm on the front fender, I think those are the hi-fiber versions...

Last edited by bigballspindick; Aug 24, 2004 at 03:41 PM. Reason: wrong title
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Old Aug 24, 2004 | 05:10 PM
  #19  
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Default gas

Find some BG44K, it's a cleaner. It has worked wonders, try it before you take Corvette in to dealer.Save the Wave.>George
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Old Aug 24, 2004 | 05:38 PM
  #20  
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Default BG44K Fuel System Treatment

For those of you who have Midas shops in your area, they offer the BG44K treatment. At my shop in MI the charge is $119. I'll give it a shot soon... thanks
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