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My Hyundai Sonata won't start, everything comes on when the key is turned but no starting action occurs. Sometimes you can get it to start by rotating the key in a circular motion but not lately.


Asked by debss Mar 05, 2013 at 07:24 AM about the 2006 Hyundai Sonata

Question type: Maintenance & Repair

Car won't start and no noise but everything else comes on.  Been to a mechanic who did a lot of work but it did not change the fact that the car sometimes won't start.  Any ideas?

6 Answers


It sounds like the contacts at the end of the ignition are not closing. They could be dirty. They could be worn. They usually send a signal to a relay. That relay may be bad or have a bad connection. -- You need a schematic, a meter and a knowledge of electrical circuitry to trace the signal through the wires.

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Also if/when you get this fixed, if you have 20 keys, a flashlight and a charm on your key ring I recommend you lighten it up. I have had several experiences from ignition switches being ruined that way

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Ron Mayers

Is there a switch on the clutch pedal if so could it be that

1 out of 1 people think this is helpful.

I have a 2011 Sonata with a key ignition. I have had problems with the car starting for 18 months. First the Hyundai mechanics told me it was because the tires were not perfectly straight. Hah. Now the light does not turn on to indicate it is in park and until I jiggle the shift until the light does come on it will not start. Was in the shop for a week the first of July and worked for 2 weeks and now in the shop again.

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My 2009 Sonata has been "perfect" with no issues. I took it in to remedy to the two recall issues today (brake switch and crossbar); tune up (spark plugs and fuel injector cleaner); and coolant flush. After 3rd start going leaving dealership, making a stop on the way home, and one more start to go back out for dinner, there were no issues. I brag on m car all the time. I love it. When leaving the restaurant, my car wouldn't start, not even turn over but I did have lights on the dash. Car was in park but we moved it in and out of gear several times while trying to start ( my husband said it had been acting up for about a week and shifting and going back to park allowed it to start.) Called service manager and he told me to check battery connections and voltage even though Hyundai had just performed their several point inspection. The car did eventually start before I had to call AAA. Started fine several more times this evening but I'm untrusting now. I don't want to get stranded, especially this time of year. I'm willing to look into the key ignition idea and welcome any others. Where do I start looking at the contacts? Will I need to remove part of the dash or can I crawl up under it?

3 out of 3 people think this is helpful.
Sean Her

I'm having similar issues on a 2006 Sonata GLS 3.3L. Took it to the dealer who's mechanic said it was the ignition switch. They wanted $350 to for a $25 switch and 5-10 minutes labor. I changed it out. No change. The car starts consistently if I turn the key and put it in neutral so I'm not worried that I'll get stranded. This also tells me that it is not a battery or starter issue. I believe it has something to do with the shifter contacting the Parked position sensor. That's next. Here is the website for the ignition switch if you want to try it. It is a common cause for this type of issue if your car doesn't start in Neutral as well.

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