Question about 2001 Hyundai Elantra

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I have a 2001 Hyundai Elantra. The engine light

I have a 2001 Hyundai Elantra. The engine light has been on for several months. I have taken it to Auto-Zone to see what the problem was. Oxygen sensor, speed sensor and had a tune up. Nothing is working. The car is idelling fast on start up, during idelling down it seem to be missing, and engine light continue to be on. Any help would be appreciated. a_1_mood@yahoo.com

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  • tedaoban Sep 27, 2009

    It has indicated everything from speed sensor, Oxygen sensor, and tune up. Light is still on and on start up RPM go up and down while car is in park. Can you help?

  • carhob May 11, 2010

    could be tps sensor,iac sensor,unplugged vacum hose,and more!if u get ecm trouble code for a sensor depending on trouble code doesnt mean that sensor is defective,so u may change sensor but it may not fix your problem,could be wiring cicuit problem or another componant causing sensor reading to be out of spec. causing code.need trouble code numbers to help!

  • carhob May 11, 2010

    what were the code numbers?

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Take/Tow your vehicle to an authorized Hyundai dealership and pay the diagnostic fee... they will tell you exactly what the problem is and the cost of parts/labor to fix it... at least this way you'll know what the problem is and what's required to fix it.Go to www.hmaservice.com and register( Vehicle by VIN). Afterward, you have access to shop manuals, service bulletins, wiring diagrams, etc. about your vehicle.

Posted on Oct 04, 2009

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