C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

93 c-4 low fuel

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Old Sep 25, 2004 | 04:56 PM
  #1  
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Default 93 c-4 low fuel

First I want to start off by applauding this years funfest. My buddies and I had a great time! We really like the Corvette Forum parking, it was an excellent perk. I would like to suggest moving the helicopter next year. The noise and fuel smell were mildly annoying. Other than that it was great!!!

Now for my question;

I recently had the fuel level in my 93 vette run into the reserve and noticed the car would barely run above a very timid acceleration. It was the typical "cutting out" and "stumbling" associated with running out of fuel. However, the reserve fuel indicator still showed 2 bars and a range of about 40-50 miles. I limped it to the gas station, filled her up, and zoomed off as normal.

Is this normal? has anyone else had this occurr? anything i should be worried about? the car only has 28,xxx miles and wasn't driven very much. any suggestions?

thanks for the forum and thanks in advance for any replies and assistance.
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Old Sep 25, 2004 | 05:09 PM
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One thing comes to mind If the car only has 28k on it it has been stored a lot and when fuel is left in the tank and evaporates it leaves a gummy residue behind. If the care were stored with a very low fuel level for 6month or more then it is possible for the bottom of the fuel pickup in the tank to be clogged. If that were to happen then when your fuel was low the fuel pump would not be able to pick up fuel and yes it would act like it was running out of gas. I had this happen on a Corvair
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Old Sep 25, 2004 | 06:33 PM
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It may not hurt to pull the fuel sender and pump out and see if the float is moving free like it is supposed to. You may just be getting an inaccurate reading from that.
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Old Sep 25, 2004 | 07:38 PM
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Most of us here have come to teh conclusion to not rely on the fuel gauge.

I know my car well enough that I know how many miles before I need to fill up.

Try not to ever let the tank get below 1/4.

As far as your range, I've gone to the point that "LO" came up instead of miles. That can get scary when you are on the highway with no gas stations in sight.
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Old Sep 25, 2004 | 10:58 PM
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My "89" L98 Vette does the same thing when low on fuel. Two bars on the fuel gauge are lit and the "Reserve" light comes on and goes off.

The other day I pushed my luck to far and ran out of fuel 100 yards from the Chevron station.

Normally my Vette can go 280 miles before it starts to stumble but, after noticing that the fuel gauge still had 3 bars lit and the reserve indicator never came on, I decided to fill up the next morning but, at 293 miles it ran out of fuel.

Last edited by GKK; Sep 25, 2004 at 11:01 PM.
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Old Sep 25, 2004 | 11:17 PM
  #6  
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Originally Posted by bodi168
I limped it to the gas station, filled her up, and zoomed off as normal.

How much gas went in? C4s have a 20 gallon fuel tank, but the pickup is too high, and the gas tank is too poorly designed, to get all 20 out.
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Old Oct 3, 2004 | 12:52 AM
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Ya know I was gonna ask this question tonight........lol
Mine hit the reserve with two bars...It said about 40ish miles left.get anywhere over 3500 and give her progressive gas pedal and no way jose'....Put fuel in her and all was well.
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Old Oct 3, 2004 | 12:28 PM
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Originally Posted by Mr Mojo
Most of us here have come to teh conclusion to not rely on the fuel gauge.

I know my car well enough that I know how many miles before I need to fill up.

Try not to ever let the tank get below 1/4.

As far as your range, I've gone to the point that "LO" came up instead of miles. That can get scary when you are on the highway with no gas stations in sight.
I've run my car down to 0 bars and never seen a warning. So, at a 1/4 I fill her up.
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Old Oct 3, 2004 | 10:04 PM
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i've run out with 2 bars indicated before.. I always try to gas up at 1/4 tank (4 bars) and I ever push my luck past 40 miles on the indicator.. this is normal for the '93 IMHO
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Old Oct 3, 2004 | 11:05 PM
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Originally Posted by Mr Mojo
Most of us here have come to teh conclusion to not rely on the fuel gauge.

I know my car well enough that I know how many miles before I need to fill up.

Try not to ever let the tank get below 1/4.

As far as your range, I've gone to the point that "LO" came up instead of miles. That can get scary when you are on the highway with no gas stations in sight.
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Old Oct 4, 2004 | 08:55 AM
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Default Running low

Your gas gauge probably is wrong because the vette was stored for months and created sluge in the sending unit. You might need to remove the unit OR don't drive more than 250 miles of a full tank of gas.
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Old Oct 4, 2004 | 10:49 AM
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From the number of people I've seen post this same issue, I'd say it's pretty common. Mine is the same. "Reserve" means "Fill up NOW!"
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Old Oct 4, 2004 | 08:29 PM
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I have a 89 and the same exact problem, reserve light comes on and I run out of gas. So far only once did i get stranded on the hiway. Your not alone. jzvette
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