2007 Sonata (v6) won't start - Hyundai Forums : Hyundai Forum
 
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#1 Old 11-29-2011, 02:12 PM
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lulumike
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2007 Sonata (v6) won't start

Started right off in the morning, then parked it at the grocercy store. Returned with grocercies and car wouldn't start. Ran down battery trying. Called Tow Truck. Jumped, but no start still. Finally towed it home, recharged battery. Still no start. Gas tank 3/4 full. Then bought NAPA starting fluid, undid air cleaner intake area, sprayed 3 seconds (as directed), cranked, and car started. But died after spray no longer around. So, it seems to be a fuel problem. Fuel pump fuse OK. Does any of you think it is the fuel pump, filter, so on and have you had similar problems?

thanks
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#2 Old 11-29-2011, 02:25 PM
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Cam sensor. You must determine if the system is pressurizing with fuel or not first, then determine if you're getting gas to the cylinder. Pull out a spark plug after trying to start. It should be wet with gas. If not, then find a fuel line to crack open turn on the key and observe gas shooting out. If there is gas pressure, then likelihood is you have a bad cam sensor, which controls the fuel injector.

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#3 Old 11-29-2011, 03:41 PM
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Quote:
Originally Posted by lulumike View Post
Started right off in the morning, then parked it at the grocercy store. Returned with grocercies and car wouldn't start. Ran down battery trying. Called Tow Truck. Jumped, but no start still. Finally towed it home, recharged battery. Still no start. Gas tank 3/4 full. Then bought NAPA starting fluid, undid air cleaner intake area, sprayed 3 seconds (as directed), cranked, and car started. But died after spray no longer around. So, it seems to be a fuel problem. Fuel pump fuse OK. Does any of you think it is the fuel pump, filter, so on and have you had similar problems?

thanks
How many miles? Sounds to me like a fuel pump issue. With radio/fan off, when you turn the ignition to on (but not start), you should hear a slight buzzing sound for a few seconds coming from trunk area (having rear seats folded helps with hearing this sound). If no buzzing then it is a fuel pump issue. Fuel pumps are notorious for failing without any warning. I had one fail at a bank drive-up teller once.


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#4 Old 11-29-2011, 03:56 PM
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lulumike
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Thanks guys. The car has about 33,000 miles. I'll try the easiest first: the buzzing sound. Also, I'm requesting the dealer to to an ABS light diagnosis first, so if it's the crank angle or the fuel pump, they should find it without guessing and throwing parts at it.
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#5 Old 11-29-2011, 04:00 PM
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Fuel pump module replacement be needed.... When module pulled out, unplug the pump connector on underside of cover plate, likely find terminal and plastic burnt/overheated.

Should require module replace, and a tube change,, it is NOT an inexpensive repair..

Hyundai or Kia dealer should have these on the shelf :

31110-0A600 @ $346.16
31323-0A100 @ $74.74

Need both pieces to complete the installation.

I have them on the shelf here
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#6 Old 01-29-2012, 09:10 PM
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so what did it end up being? you know i love my sonata got it in september 2011 but after i joined these forums an read 99% of each thread is a problem im a little scared.... my car is at the dealer having the passenger airbag sensor fixed... smh... that was on friday morning atleast i have a 2011 santa fe till then as a loaner...
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