Will not idle after putting fuel in it?

SCHAE

MEMBER
2004 HYUNDAI SANTA FE
2.7L
6 CYL
2WD
AUTOMATIC
150,000 MILES

My car will not idle after putting fuel in it take three or four starts to keep running. It has no fault codes.

Sunday, October 29th, 2023 AT 5:58 AM

3 Replies

JACOBANDNICKOLAS

MECHANIC
109,740 POSTS

Hi,

How much fuse did you put in it? In other words, did you fill the tank or just add? I ask because often people overfill the fuel tank, and it causes fuel to be drawn in by the evaporative emissions system. When that happens, it can cause this.

When it does start, do you notice any gray smoke or anything from the exhaust? Are there any strong odors?

Let me know.

Joe

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Sunday, October 29th, 2023 AT 6:40 PM

SCHAE

MEMBER
3 POSTS

If I put $5 or $10 in it are fill it up there no smoke are anything and no smell at all just have to start it 3 are 4 times then it runs fine only when I put gas in it that's when it will not run it will start but then it shuts off.

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Monday, October 30th, 2023 AT 5:17 AM

JACOBANDNICKOLAS

MECHANIC
109,740 POSTS

Hi,

I didn't realize it was only after adding fuel. I thought the problem started after you added fuel and has been consistent since. That was my mistake, sorry. I want you to try something. The next time you add fuel, do this to see if it changes anything.

1) Turn the ignition key from off to the run position (engine off) and count to 5.

2) Turn the key off and repeat step 1 a total of five times.

3) On the 6th cycle, see if it starts normally.

Let me know what you find.

Joe

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Monday, October 30th, 2023 AT 6:24 PM