2005 Hyundai Sonata Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2005 Hyundai Sonata
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2005 Hyundai Sonata ProblemsConfirm Latest Software For Transmission Control Module and Correct Fuild For Proper Shift Quailty
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.
On the 2.7L V6 and 2.4L 4 Cylinder, a defective exhaust gas recirculation (EGR) switching valve may cause an intermittent rough or unstable idle engine.
Problems with the accelerator pedal position switch may cause the Check Engine Light to illuminate; an improved switch is available to fix this problem.
2005 Hyundai Sonata QuestionsDoes it have a NEGATIVE GROUNDED SYSTEM, or a POSITIVE GROUNDED SYSTEM? (1 answer)
Twice in the last couple of months, my car didn't start up after it had been sitting 3 or 4 days. Mechanic checked the battery and alternator, but found no problems there. I finally bought a Stanley Fatmax professional power station, and the instructions want to know whether my car has Neg or...
Steering pressure hose first. Which should I believe?