Question about 2005 Hyundai Sonata

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Late 2005 Hyundai Sonata 6 cyl. is haveing a huge power loss when you step on the gas lightly and is getting worse by the day, by more speed it messes up. We replaced all the spark plugs, crankshaft position senser, and took it to a Hyundai dealership specialist and he replaced one of the fuel enjector wires. Now it is running worce. We noticed when we replaced the spark plugs that the three spark plugs in the back (under the manifold) were burnt out way worce than the three in the front. We were thinking that someone just replaced three in the front and were to lazy to do the three in the back but there is also a chance of something being wrong with the three in the back as well. The main problem is speeds between 25 and 40 mph. But now after we put all of what I said before in, it is now messing up on all speeds. You gun the car and it cuts out, but dosn't stall out compleately.

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Look into a possibly plugged catylitic converter this is an exhaust component.cuz if your car cant breathe out it wont run

Posted on Mar 19, 2011

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~Hope this helps...

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