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2005 Chevy Corvette fuel

Tiny
STMT
  • MEMBER
  • 2005 CHEVROLET CORVETTE
  • V8
  • 2WD
  • MANUAL
  • 50,000 MILES
What causes air to get in fuel line after I fill the car with gas
Friday, September 24th, 2010 AT 1:14 PM

15 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
There is no way for that to happen unless it's pumping air from inside the tank. The pump is submerged and the system is self bleeding. The only time you pump air is if there is no fuel to pump and that will burn out the pump real quick.
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Friday, September 24th, 2010 AT 2:08 PM
Tiny
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I have changed fuel pump and relay car will sometimes run for 10 to 15 min then fuel pressure will drop off and die. Then it may start and may not if u wait about a hour it will start and run about 15 min then die again.
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Friday, September 24th, 2010 AT 3:35 PM
Tiny
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It's not an air problem. You just need to find out what's happening to your fuel pressure, whether it be electrical or a restriction in the system somewhere. It could be many things but you need to use a fuel pressure gauge and determine if the pump is receiving constant voltage and ground.
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Friday, September 24th, 2010 AT 3:38 PM
Tiny
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It does get air in it if u crank on it for awhile after it dies.
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Friday, September 24th, 2010 AT 3:49 PM
Tiny
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It can't do that. The pump is submerged. There is no place to get air unless there is a problem inside your tank with a reservoir pumping dry.
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Friday, September 24th, 2010 AT 4:26 PM
Tiny
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This car has two gas tanks a left and right left tank pumps to engine right tank pumps to left is it possible the air could b coming from the right tank the pump I changed was in the left tank
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Friday, September 24th, 2010 AT 4:44 PM
Tiny
WRENCHTECH
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That could be what is happening them.

The function of the venturi pump is to fill the fuel sender assembly reservoir. If that reservoir goes dry, it will pump air. That will ruin the fuel pump real quick. It sounds like you may be having an issue with the venturi pump.
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Friday, September 24th, 2010 AT 4:50 PM
Tiny
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How do I check the venturi pump
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Sunday, October 10th, 2010 AT 4:40 PM
Tiny
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Your probably going to have to drop the tank and physically look inside.
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Sunday, October 10th, 2010 AT 4:44 PM
Tiny
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I have fuel tanks off now
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Sunday, October 10th, 2010 AT 4:46 PM
Tiny
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Then power the pump and see if it works.
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Sunday, October 10th, 2010 AT 4:48 PM
Tiny
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I powered the pump on the left side it works the right side does not have a pump in it it has what looks to me like a regulater
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Sunday, October 10th, 2010 AT 4:50 PM
Tiny
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No. It has a pump in both sides
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Sunday, October 10th, 2010 AT 4:57 PM
Tiny
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The right side has a gauge in it but nothing yhat looks like the pump that is in the left side. There is a thing in there that looks like a regulater with one wire going to it. There is three wires going in the tank two to the gauge one to the other part.
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Sunday, October 10th, 2010 AT 5:03 PM
Tiny
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No, there is a fuel pump there
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Sunday, October 10th, 2010 AT 5:09 PM

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