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Sephia won't run

The car runs about 30 minutes and shuts off, at that time it has no fuel pressure.

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Change the fuel filter! If you still have a problem, you may have vapour lock. Try some methyl hydate in the gas tank to help absorb possible water in the gastank.

Posted on Sep 09, 2009

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If it is fuel injected with an electronic fuel pump you can try replacing the fuel pump. This sounds like a fuel pump issue where the pump works when it is cold but once it warms up it fails or there is a leak in one of your fuel lines. You should have a mechanic tackle this problem.

Posted on Sep 09, 2009

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1 Answer

Paul Thanks for the info. Also I have replaced just about every part on this car and can not figure out why it runs for about 30 minutes then shuts off. What else can be wrong.


There are several thing that cause the engine to die. #1 Electrical Install a spark noid on plug wire this lights up as the plug gets it power if this signal is lost then test the crank shaft sensor L-6 engine located on drivers side of engine at transmission just to the left of master cylinder V-8 engines it is just behind the passenger cylinder head . #2 Fuel pump control test for fuel pressure at service port about 36 psi running and as you rev the engine it should go up 40-45 psi and when shut off it should retain pressure above 30 psi when dies check pressure loss of pressure could be due to fuel pump relay is bad #3 just the fuel pump is shutting off.

Apr 27, 2014 | 1991 Jeep Cherokee Limited

1 Answer

1988 buick regal stalls and restarts stalls and restarts


Sounds like a relay or coil failing.
To proceed you would need to find out if you are loosing spark to the plugs or fuel pressure to the injectors when it won't start.

Sep 22, 2012 | 1988 Buick Regal

2 Answers

My car will run but when i cut it off it never cranks back up. It always takes at least a hour to crank back up..and it has became inconvenient to go to the store or anything.. What could this possibly be?


  • The first two things I think of is a back pressure valve or the started is getting hot and won't fire properly until it cools down.

  • Do you have a Check Engine Light on?
  • When you say "crank back up" do you mean after shutting the car down, upon trying to start, it does not crank at all? Or does it crank but will not turn over?

  • Have you checked the fuel pressure?
  • Have you checked for spark?
  • How old is that starter?
  • Do you have any further intel on the situation with your car that will help me help you better?
  • For instance, did this gradually happen. Like the car would start up and run and when shut off would bot start for 15 minutes and as time passes 30 minutes? Of did this just happen all at one out of the blue?

  • If you have any comments please feel free to leave them here.
  • Hope this helps and thank you for using FixYa.

Regards,Tony

Oct 06, 2011 | 1995 Volvo 960

1 Answer

4.3 vortec on my s10 won't start. squirted starting fluid and it started, ran but sluggish. shut it off for 30 minutes not starting again


More than likely you have a fuel pump gone bad. Fuel pressure on the Vortec needs to be at 60 psi. Check your fuel pressure, and if lower than 60, replace the fuel pump.

Aug 19, 2011 | Chevrolet S 10 Cars & Trucks

1 Answer

Runs for a couple minutes then shuts off. will not start back for at least 30 min. when it shuts off i can spry in throttle body and it will start but shut back off, have changed fuel pump and problem...


need to check fuel pressure when it wont start if you don't have any check for 12 volts and a ground at fuel pump if you do have pressure need to check for pulse signal at fuel injectors

Jan 29, 2010 | 1995 Dodge Dakota

2 Answers

Hyundai Accent stalls and won't restart for 15 - 30 minutes.


check to see if you have fuel pressure after it dies. fuel pump could be getting hot and shutting off.

Jun 11, 2009 | 2002 Hyundai Accent

1 Answer

Car stalls when oil pressure drops...20 minutes to restart


No it is a fail safe. When your oil pressure drops below (on most cars) 30 psi your computer will shut your fuel pump down until you either let it sit for a while and it resets or until oil pressure builds again. Sorry!

Mar 11, 2009 | 1992 Buick Roadmaster

1 Answer

2001 Kia Sephia fuel problem?


Is the check engine light on? Any codes? Check plugs & wires. Check for vacuum leaks.

Jan 27, 2009 | 2001 Kia Sephia

1 Answer

2001 Kia Sephia fuel pressure?


Maximum Pressure: 65 - 94 lbs
Fuel Line Pressure: 46 - 51 lbs
Holding Pressure: 25lbs

Jan 17, 2009 | 2001 Kia Sephia

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