2009 Hyundai Sonata turns over but will not start, sometimes.

100

Asked by Jun 16, 2013 at 12:36 PM about the 2009 Hyundai Sonata

Question type: Maintenance & Repair

70,000 kms

12 Answers

any number of things can precipitate this condition...get the diagonstic OBD-II trouble codes read from your auto parts store or get a code reader (cheap) and find out fer ye self~

3 out of 3 people think this is helpful.
100

Thanks judge Roy, I have a code reader but being so intermittent I don't believe I will see a code does it not have to be active? Right now usually on the third attempt it starts. I will differently hook up to it and check for codes. Bill

1 out of 1 people think this is helpful.

this vehicle is in Canada? think basics....air, fuel, spark, timing---both ignition and sadly CAM timing too~ one of these basics is mis-behaving~ you are on the road to diagnosis of your problem through elimination, perhaps your code reader needs a new 9v battery (if that's what it takes)~

100

Came up with no signal from transponder in key, try other key. Got new key cut and programmed was good for a day.

2 out of 2 people think this is helpful.

Jeez, billy I should hope for more than one day....was there anything else?

100

codes p1693 &p1696

5 out of 5 people think this is helpful.

P1693 HYUNDAI - Immobilizer Transponder P1693 immobilzer mismatch~ does this help?

6 out of 6 people think this is helpful.

stop you dead in your tracks or just a nuisance?

2 out of 2 people think this is helpful.
100

bypassed remote seems alright so far

1 out of 1 people think this is helpful.
100

Took it to Hyundai and they replaced coil around ign swt on warranty, then I hooked remote back up and everything is good.

1 out of 1 people think this is helpful.
40

my 2009 sonata crank take 15 second to get it going but the engine light is on

2 out of 2 people think this is helpful.
40

my2009 sonata crank but take 15 second to get it going at the same time engine light is on

2 out of 2 people think this is helpful.

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