Car stalls out when it idles or not givin gas

10

Asked by Jul 30, 2017 at 02:31 PM about the 2006 Hyundai Sonata

Question type: Maintenance & Repair

ometimes it runs ok, but mostly its stalling out
when i get to speed and coast, come to a stop, and
when im not pressing the gas at all. Im hovering
around the mass airflow sensor, or that my purge
valve is messing up or something is wrong with my
EVAP system. Its a 2006 hyundai sonata 2.4, 4
cylinder any input helps alot

8 Answers

135

Change fuel filter, could be plugged with dirt. Check fuel pressure on fuel line, could be the pump.

1 people found this helpful.
10

Well it wasnt the pump or filter, now its not wanting to accelerate when hitting the gas or not wanting to start at all sometimes. It will run fine for a little bit than starts stalling out again everytime i let go of the gas.

1 people found this helpful.
135

try taking off the gas cap, could be the cap is shot and causing a vacuum in the tank. You might be on the right track about theentire fuel delivery system. If you want to google the car and see if any one has had a problem simular

135

try taking off the gas cap, could be the cap is shot and causing a vacuum in the tank. You might be on the right track about the entire fuel delivery system. If you want to google the car and see if any one has had a problem similar. Regards, BILL GROVER

20

Oh my gosh! I have a 2018 Hyundai Sonata L - only 7 months old, 2,150 miles, which is doing the same thing! Hyundai service told me to take it off Eco Mode and put it in Comfort Mode and it's even worse ! It is dangerous to drive and I'm taking it in next week. If they can't fix it, I'm cutting my losses and trading it in for another Toyota- never had trouble with them. Never had such a Lemon.

1 people found this helpful.

brandywinelady you better return that car asap. i bought a brand new 2015 until this day hyundai cannot figured out what wrong with it. this car become my worse nightmare.and its getting worse averyday. imagine i only had less than 6k miles on the car when it started acting up, now they refused to fix my car.

i was just here just to see if someone had it figured out.

20

The Hyundai dealership apologized for the service person who told me, "Actually that's the way it's supposed to work". They offered to have the manager and service manager ride with me to understand what's going on. I told them thank you, but no, because I never know when it's going to happen. The service manager explained to me that cars no longer work on direct mechanical action - i.e. foot on accelerator pedal goes directly to gas. Now it signals a computer to make it accelerate. Same with the brake. Sometimes when you brake and then accelerate the computer gets "confused" for a few seconds. (Can I have my parents '57 Chevy back with the funky carburetor?)They gave it the first service (2,000 miles) with a free oil change. That was 2 weeks ago and it's been fine. Thanks for asking.

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