Question about 2001 Hyundai Sonata

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No engine light car does not start engine light comes on car star

Hot or cold engine seems to not make a diffrence very frustrating

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  • bdaigle Dec 14, 2008

    problem solved corroded wiring at ecu thanks barry

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When you initially turn on your car it does a system diognostic, the engine light comming on then shutting off is just telling you that your ecu is responding so dont worry about that, does it turn over? if it does check for spark, also check if when you turn the key to on position someone listening to your gastank hears a whinning sound telling you the fuel pump is being turned on and working. if missing one go on from there, comment back and we will diagnose this thing.

Erik
U.S. Army

Posted on Dec 11, 2008

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lets start over.
your saying car runs great, cold then hot.
then hard to restart a hot engine, right?
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