Question about 2009 Hyundai Sonata

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Sonata check engine light

When it idles it was not steady - it was "in and out", then when i put it in gear it stalled. restarted and drove it a couple hundred yards til it stalled again it seemed like it wasn't getting fuel...

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  • 162 Answers

As stupid as it sounds, open your air box check your air filter. If its not plugged disconnect maf sensor and see how it drives. Engine light will come on from this

Posted on Oct 19, 2013

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6ya6ya
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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: check engine light and how to diagnois and reset 1999 Hyundai Sonata

I had same problem and my repair shop just replaced a sensor in the tranny. Said it was a defect by Hyundai,but they won't recall it.

Posted on Oct 21, 2008

preciousluv
  • 3 Answers

SOURCE: 2000 Hyundai Accent will suddenly stall and wont restart

Have someone check the idle sensor. I had to have mine replaced along with another that I don't remember which one is was.

Posted on Jan 08, 2009

  • 1 Answer

SOURCE: 2004 Sonata stalls out for no reason then won't start

hi there, i have a 2003 sonata and my car did the same. it stalled and the engine light stayed on but managed to get going again. i took it to Hyundai and it was the crank angle sensor. it needed replacing at NZD180.00 with 3 hours labour to do it. evidently they remove the front of the engine and cam belt etc. the workshop at Hyundai did it and charged 3 hours, not sure if that was excessive or not.

Posted on Mar 03, 2009

  • 2 Answers

SOURCE: how do you reset the check engine light on hyundai sonata?

Just disconnect your battery for a couple of minutes.

Posted on Jul 20, 2009

hondakilla
  • 129 Answers

SOURCE: hyonda sonata idle goes up and down and will

Sounds like your coil pack is going bad

Posted on Aug 29, 2009

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Took my 05 sonata in for oil change and tune up left the place and now the car stall when you put it in gear no check engine light idles fine but any gear stalls out??


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1998 Lincoln Mark VIII sometimes stalls when idling in gear


Do you have a "Check Engine" light?

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Feb 14, 2012 | 1998 Lincoln Mark VIII

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Stalls when turn lights on or hit brakes


Check the plugs to make sure they aren't fouled. Then maybe the fuel pump. If it dies when you hit the brakes, that's electrical. I'd say it's the fuel pump, filter, etc.
When plugs are fouled, it probably wouldn't want to start, and brakes aren't electrical and the fuel pump isn't real likely either.
Actually when you step on the brakes, it takes power from the battery or alternator to run the pump for the master cylinder on the brakes. (not true)
Doing so will cause your car to stall if the idle is too low. Turn the idle up and see if it happens again.
Same thing with the in gear driving. Putting the car in gear will drop the rpm to half or less than what it is already.
The brakes have no pump. If they are power brakes, then it has a booster (and the booster uses engine vacuum, not electrical power) you can't adjust the idle speed in a FIed car. When you put the car in gear, the rpm should stay steady since the FI system should adjust for loads on the engine (turning the a/c on, putting car in gear, turning on lights etc) Do a tune up and go from there. By the sounds of it though, this is a lock-up torque convertor problem. The convertor lock is stuck on so the torque convertor is "solid" when you put it in gear.
If it is not an engine problem, it should be a problem with the transmission. When the gearshift is in drive, in this case, the gears get jammed with each other, causing the whole engine/drivetrain to lock up, stalling the engine. You should get a repair as soon as possible.
Either your power brake assist booster has a bad check valve in it causing a huge vacuum leak when you step on the brake (Vacuum leaks lean out the fuel/air mixture causing stalling) or you have an 'engine protect' sensor that kills the ignition/fuel pump when the oil level's too low and it's either got crud in it from running the oil too low or has otherwise malfunctioned

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2000 Hyundai Sonata GLS V6 - problem started last week when I drove when suddenly the check engine light flashed and the car seemed to stall on me when I stopped at the red light. I thought that car would...


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2004 Sonata stalls out for no reason then won't start


hi there, i have a 2003 sonata and my car did the same. it stalled and the engine light stayed on but managed to get going again. i took it to Hyundai and it was the crank angle sensor. it needed replacing at NZD180.00 with 3 hours labour to do it. evidently they remove the front of the engine and cam belt etc. the workshop at Hyundai did it and charged 3 hours, not sure if that was excessive or not.

Feb 05, 2009 | Hyundai Motor 2004 Sonata

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