Question about 2005 Hyundai Santa Fe

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Tempermental starting after fueling

Our Santa Fe runs smoothly with no problems except immediately after a fill-up, usually from about 1/8 tank. Frequently it is hard to start right after filling the tank but after 3-4 tries does start, but runs rough briefly then smooths out after that. It's kinda unnerving!! Any ideas what's up?

-greg

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  • mjb310123 Oct 19, 2008

    I have the same problem. The 2004 Hyundia Santa fe runs fine and starts fine weather hot or cold. I recently had a complete tune up and fuel system flush. It happens everytime I fill the tank it won't start unless I push the gas pedal to the floor, then went it starts I have to keep constantly pushing on the gas pedal for about a minute to make it keep running. After that it runs fine again.

  • Anonymous Nov 14, 2008

    I have a 2005 Hyundai Sonata which runs smoothly until I fuel up. I fuel up when it is down to 1/4 tank, then it will crank but not start. When it finally starts, after about 5 tries, it will not continue to run unless I work the gas pedal to keep it running. This takes 2 minutes to accomplish.

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It looks like your fuell tank is puting in to vacuum after filling try to start after you filled up with out closing the tank cap just to see if the problem is there if not its vacuum problem and you have to check your air intake in the tank

Posted on Oct 17, 2008

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Posted on Jan 02, 2017

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1 Answer

What would cause my Hyundai Santa Fe to start hard every time I put fuel in the tank? It doesn't mater if I just put a couple of gallons in or fill it up.


First sign of pump going bad when it is being filled fuel swirls the dirt around in the tank and when you go to start it it is hard. after the pump is running it runs fine til the next time.

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sound like problem with the EVAP SYSTEM.HAVE CHECK OUT. trick to pumping gas dont stick fuel spout all the way in hold it back a little then pump gas the gas vapors stored in fuel tank stopping you from pumping gas.hold spout back pump gas.

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I have a 2002 Impala and immediately after putting gas into the car, the car won't start and after a while and more cranking it will finally start and then runs fine until I fill it again. What could be...


next time you fill up and it does'nt start try hitting the bottom of the tank a couple of good smacks will do. if the car starts then your fuel pump is failing

Jun 22, 2010 | 2004 Hyundai Santa Fe

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I have a hard time starting my 04 Santa Fe after i fill up


it was running then you removed the gas cap to fill ( extremely dangerous practice with car running)
that indicates that there is a problem with the EVAP system.
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I have a hard time starting my 04 Santa Fe after i fill up


The most common cause of this is thermal shock (gasoline is very cold out of the ground) to the electric fuel pump inside the fuel tank, when the pumps get worn the decrease in temperature from the gasoline causes the pump to stick. This is a question I see fairly often, so I did research to see what the common cause is. Next time this happens have the fuel pressure checked.

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5 Answers

Car won't start after filling up the gas tank.


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Make sure you buy the correct one ie petrol or diesel follow instructions on the bottle for amounts to use then run the car for a good run usually takes about 4 hours of driving time to fully clear all fuel lines and filters.
I use this in my car once a month as you can pick up small traces of dirt from filling stations this then clogs up over time.
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1 Answer

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3 Answers

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Robert

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Jan 30, 2009 | 2001 Hyundai Santa Fe

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