Question about 2004 Hyundai Elantra
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Posted on Jan 02, 2017
SOURCE: 2004 Hyundai Elantra Fuel Door
Check inside the trunk on the side of the fuel door. Most manufacturers make an emergency release handle for just such situations. It may be behind the trunk liner but should be on the same side of the vehicle as the door is.
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Posted on Feb 20, 2009
The fuse box is located low on the left side of the dashboard behind a cover, or at the left side kick panel, behind a cover.
Relay Box -is located under the left side of the dash as well.
Posted on May 07, 2009
Your Elantra has more than one oxygen sensor. There is a pre-catalyst sensor and a post-catalyst sensor. Both can be found on the exhaust. You simply disconnect the sensor wire and remove the sensor plug with the proper size deep socket. Be sure you have the correct sensor for replacement.
Because of the heat involved with the exhaust, make sure the engine is cool before attempting to remove and replace the sensors. They may be tough to remove so a shot of WD-40 or 5-56 spray may need to soak into the threads to ease removal. When you replace the new sensors, a coating of anti-seize will be helpful for future removal.
Keep in mind that one malfunctioning sensor can send information that will set off codes on other sensors "downstream" or send codes from other emission controls on the engine.
Posted on Apr 26, 2010
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