Question about Hyundai Motor 2004 Sonata

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Malfuction Indicator Light on 2004 Sonata

Malfuction Indicator Light came on in my 2004 Sonata -checked common problems but no answer -what are the most serious problems associated with this light

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HI don't scare your self .take the car to auto zone have them scan the computer memory for free ,so I can give you a better idea of whats wrong

Posted on Sep 25, 2009

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Posted on Jan 02, 2017

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There are a few things that could be wrong, best thing to do is, wait until they check your vehicle and go from there. If you have a scan tool, posting the codes you find would help us to assist you.

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Mar 24, 2011 | Hyundai Motor 2004 Sonata

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The malfuction light indicator came on along with the fuel light and the gas gauge went to empty. I went to the mechanic and was told the fuel pump needed replacement. It was replaced, now a week later the...


If the car is running fine, then that is a possibility. The mechanic should have cleared the code. If you ever have an issue that triggers the ECU, then that is stored in the memory, and will need to be cleared.

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Have a 2004 hyndia sonata just repaced fuel filter after engine light came on..worked fine for 1 day now engine light back on and runs rough at times doesnt start right away


You are describing low fuel pressure (fuel pump) problem. When you say you replaced the fuel filter, where did you find this filter on the 2004 Sonata? The problem, there is no Fuel Filter, per se, there is a 'SOCK' at the bottom of the fuel pump assembly which serves as a filter, inside the fuel tank. By the way, you mentioned the Check Engine Light came on. Did you scan for any codes in the computer (ECU)? If you did, what were the codes?

Feb 07, 2011 | Hyundai Motor 2004 Sonata

2 Answers

2004 sonata tlc light on check engine light also bad miss


Please see my tip at http://www.fixya.com/cars/r5932051-check_engine_light_check. These are generic instructions. If you get stuck or need specific instructions for your car, please get back to me with model, year and engine info.

Oct 06, 2010 | Hyundai Motor 2004 Sonata

1 Answer

The Malfunction Indicator Light just went on in my 2004 sonata with 49,120 miles on it. It's not making any noises and is running as smoothly as usual. I am due to get the following replaced this week: TB...


TB clean may help, depends on the code that has been stored. Usually if no running issues it was a blip, possibly front Lamba as they are common on Hyundai


Regards


Lloyd

Dec 18, 2009 | Hyundai Motor 2004 Sonata

1 Answer

My malfunction indicator light came on this


yes it could possably b your fuel filter

Oct 04, 2009 | 1999 Hyundai Sonata

1 Answer

Engine codes P0650 and P0700


po650 malfuction idicator light control curcuit
po700 transmission control system (mil request)
malfuction indicator light is the check engine light
mil request is the same thing
hope this is helpful

Aug 09, 2009 | Chrysler Concorde Cars & Trucks

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A/C blower is not working


good morning, common problem with sonata, replace the ac control unit. better off finding a used one for a dismantling yard.

Aug 03, 2009 | Hyundai Motor 2004 Sonata

1 Answer

2004 Hyundai Sonata Malfunction Indicator light comes on and stays on. The car will start but only stays running about 3 seconds and cuts off. I tried putting gas in thinking the gauge might be inaccurate,...


It sounds like you need a new fuel filter. if that is to dirty, it wont allow the correct amount of full to be pushed to the engine. try changing that or using a Fuel treatment in the meantime. Hope this helps :)

Mar 24, 2009 | Hyundai Motor 2004 Sonata

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