Question about Hyundai Motor 2003 Elantra

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2003 elantra GLS does not start, New battery

My 2003 elantra GLS does not start after been sitting for a few months.

Usually engine makes cranking noises for a few seconds when the key is turned to ignite and it starts when I release the key to "on" position. But this time, it continues to crank as long as I hold the key at ignite, yet goes silent and dead when I release the key. It seems to me that the engine is trying to start since it trembles very bad and the belt under the hood runs. It just somehow does not start up.

The battery is just replaced new and should be no problem. All other electrical parts work fine. Somebody suggested it might be the problem of ignition switch. I looked up online and found that "ignition switch" can refer to either the lock cylinder into which the key is inserted, or the electronic switch that sits just behind the lock cylinder. Not sure which of these two is bad. I am not sure if it is a DIY part or something I need to take to the dealership either. Any further help will be greatly appreciated. I am not auto-savvy as you can see, but should be able to do some small replacement. And details on how to replace ignition switch or whatever bad component would be great! Thank you guys!

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If the car is turning over but won't stay running, it is not the ignition switch. You also said it is "trembling very badly" when it is turning over, this leads me to believe that it might just be moisture under the distributor cap or a bit of carbon build up on the rotor.
Try this: remove the distributor cap WITHOUT REMOVING ANY OF THE WIRES. There are 2 screws that hold it in place, loosen them and turn the cap over to look inside - if you see any moisture, wipe it out with a dry rag. Next inspect the rotor, that's the piece still on the engine under the cap, on the end of it is a metal contact. If it is at all blackened (carbon build up) either LIGHTLY scrape it with a flat blade screwdriver or LIGHTLY sand it until shiny with fine grit sandpaper. Put the cap back on, retighten the screws to secure it, and see if that gets it to start.

Posted on May 13, 2009

Testimonial: "I didn't try this method because when I tried it once more with pedal down, it started! But thank you very much for the input!"

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