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

Less than 4 bars

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Old Aug 1, 2002 | 12:27 AM
  #21  
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Default Re: Less than 4 bars (kabnvtt)

So you've pun in a new pump and strainer sock already? Hmmm....maybe your gauge sensor is not reading right?

Since my '87 has no problems under any fuel reading ( other than no bars and lots of driving :D ), all I can say is, if you run out of gas at 4 bars in ANY corner/acceleration...something is wrong.

Tell you what...then next time it starts doing it...go fill the tank completely full. If it takes anywhere near 17 gallons...the tank was empty and would indicate a bad level sensor.
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Old Aug 1, 2002 | 02:03 AM
  #22  
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Default Re: Less than 4 bars (BBA)

OK for BBA and others....I got one more thing to add....and like hmmmmmmm what can this be I wonder....

I have the exact problems you all are indicating....mine sometimes even does it at like 5 bars!!!!! Iam wondering...if like my fuel pump is going or something....cause I have had like the car down to 2 bars..and still went like 10 more miles..and did not run out of gas!

soo now...hmmmmmm

also...i like smell gas in the left (drivers side) rear wheel-well....right above the tire.....this make any sense?

let me know
jeff
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Old Aug 1, 2002 | 02:58 AM
  #23  
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Default Re: Less than 4 bars (kabnvtt)

I run till "Check guages" all the time and get squirly while I'm at it. I've never even heard of this problem before today. :D
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Old Aug 1, 2002 | 04:51 AM
  #24  
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Default Re: Less than 4 bars (asr off)

my guage sender must be screwed up ... it reads full until almost empty, then goes down to a fourth and lower. if i put a buck of gas in ... reads full.
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Old Aug 4, 2002 | 07:04 PM
  #25  
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Default Re: Less than 4 bars (WEB_War84)

Mine would do it at 5 bars too. I went ahead and replaced the strainer this weekend and it seems better. The only time I could get it to cut off was when it was reading 2-3 bars and I hammered it taking a left from a light. I was trying to get maximum side Gs under this condition. Could not make it happen it a straight line though. I will have to run through a few more tanks to feel like it is cured. So far so good!

After it died on the last test I filled up the tank and put in 16.6 gallons.


[Modified by ericcer, 6:05 PM 8/4/2002]
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Old Aug 4, 2002 | 07:09 PM
  #26  
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Default Re: Less than 4 bars (ericcer)

mine cuts out at 3-2 bars, but only under WOT, and right on the topend.


How hard is it to install this "sock"???
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Old Aug 4, 2002 | 07:24 PM
  #27  
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Default Re: Less than 4 bars (Mervz)

Mine got way better after changing the fuel pump and sock. I go down to one bar all the time now, with no problems.
It's real easy to access. Remove the whole door assembly with the four torx screws. Pry the rubber boot out. Remove all the fuel lines (3) and the electrical connector. Remove the ten (?) 10mm bolts that hold the inspection door on. Lift the entire business up! :D


[Modified by lite blue, 3:26 PM 8/4/2002]


[Modified by lite blue, 3:27 PM 8/4/2002]
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Old Aug 4, 2002 | 11:13 PM
  #28  
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Default Re: Less than 4 bars (lite blue)

Mine runs fine with zero bars left, I have tried it many times.
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Old Aug 5, 2002 | 08:19 AM
  #29  
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Default Re: Less than 4 bars (GusBustamanteJr)

The hardest part of the job is removing the 3 rubber fuel lines. I spent about 45 minutes getting them off. I did not want to damage them for fear of having to drop the tank to replace them. I broke them loose so they would rotate. To pull them off without damaging them, I used a pair of needle nose vice grips with 2 short lengths of rubber noses slipped on the jaws. Then I could grip the fuel lines hard without tearing them up. Not really enough room for the hands.

The rubber seal is another concern. I noticed that there was some debris all around the rubber seal. GM recommends you replace it (dealer item BTW). I needed something to catch this debris so it would not fall into the tank so I used some coffe filters with a wire punched through the center so I could lower it into the tank without dropping it in the tank. In other words I made an upside down mini umbrella. This works well because there was a lot of trash that built up around that seal that would have fallen in the tank. :eek:

The strainer is a force fit twist off type.

If I would have to do it again I could do it in 30 minutes instead of hour and half just trying to figure out what to do.
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Old Aug 5, 2002 | 03:28 PM
  #30  
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Default Re: Less than 4 bars (95wht6spd)

Never had it happen. I run mine until the "check gauges" light comes on a lot too. My friend has a 96 and has never mentioned it either.
With my 96, I too have run on zero bars (check gauges idiot light) and made it to a gas station more than once.


[Modified by cgtarga1, 1:29 PM 8/5/2002]
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