2006 Hyundai Elantra Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2006 Hyundai Elantra
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2006 Hyundai Elantra ProblemsCheck Engine Light and Transmission Won't Shift Correctly
If the automatic transmission does not shift properly and the Check Engine Light illuminates, the speed sensors in the transmission may have failed. The sensors are simple and inexpensive to replace.
Prior to replacing the automatic transmission fluid (to improve shift quality), make sure that the transmission fluid level is correct. Also, make sure the computer that controls the transmission has the most up-to-date adaptive programming information. When servicing these transmissions be sure to use fluid approved by Hyundai.
2006 Hyundai Elantra QuestionsWhy are all three rear brake lights out on 2006 Hyundai Elantra? (2 answers)
I don't know how long they have been out, someone that was driving behind me and told me that I had absolutely no brake lights in the back. When I got home, my husband checked it and indeed all three brake lights were out. We tried replacing the bulbs, but that did not fix the problem.