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 Problems

Check Engine Light Due to Faulty Accelerator Pedal Position Switch

Problems with the accelerator pedal position switch may cause the Check Engine Light to illuminate; an improved switch is available to fix this problem.

Check 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.

Rough Idle Due to Faulty EGR Switching Valve

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.

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2005 Hyundai Sonata Questions


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...

One mechanic says replace power steering pump and other said start with power (1 answer)

Steering pressure hose first. Which should I believe?

car wont start no power nothing is coming on new battery five months ago (2 answers)

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2005 Hyundai Sonata Reviews

Well I wish we had as much luck as these people who got tremendous mileage and few problems. Our 2005 Hyundai sonata was used we brought it at 55k miles on it, it had a "slight Front end collision" prior we got a great price on the car then about $5600 we paid, looked nice and shiney then. My daughter had a slight fender bender in it, then had to get left light fixed. Then a suirel chewed the ...
I purchased my 05 Sonata (GLS extra version) and now have 178500 miles on it. Other than regular maintenance, I've only had to replace the antenna, "computer to fuel injection" electrical relay, and a circuit board for the transmission. Body still shines, the interior has worn like new and everything is almost perfect. I plan on doubling this mileage at least. While the tranny is a bit hars...
i love this car.. it has taken me places i have never been before...i hit 200,000 miles with only two bad batteries... the auto store replaced both of them cause they are under warranty...then i had a bad o2 sensor.. easy fix... but now my timing belt has broken. so we have driven the value out of it.. but its always got that special place in our life...at one point it was the only thing we cou...

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