Having problems with your 2004 Hyundai Elantra ?
Check engine light came on - 2004 Hyundai Elantra
The computer is sensing something is wrong with the vehicle. The type of system the computer uses is an OBD2(ON BOARD DIAGNOSTICS 2). An OBD 2 scanner can identify this problem. It may have one code or there could be several, which a more thorough diagnosis is recommended.
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Repair Help & Product Troubleshooting for 2004 Hyundai Elantra
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