I have a 2006 Hyundai sonata and i need help start up problem!?

When i started my car today. I heard a tapping noise and It felt really rough and the rpm needle was going crazy up down and my check engine light had came on. I was at work so i drove home. then went back in the car started it. I was going to go to autozone to get the... Read More

  • I am going to go out on a limb and guess you have a 3.3 liter engine in your Sonata, since the cold start noise was a real issue for early built 06 Sonatas. The problem is the timing chain tensioners are not staying out against the chain and they are allowing the chain to rattle until the oil pressure pushes them out... Read More
  • TAKE IT IN FOR SERVICE NOW!! If you continue to drive with engine problems, I guarantee you it will VOID your warranty. If you are already out of warranty, your local Hyundai dealership has the best trained Hyundai mechanics in town. Reference:Hyundai Salesman.
  • Replace/clean-up spark plugs Drive at cruising speed as long as the route/traffic allows until you used at least half tank of petrol. Better if you use almost a tank of petrol Avoid getting caught in traffic jams repeatedly (sensitive to being caught in traffic jams repeatedly) Reference:Just overcomed such problem... Read More
  • I.am not a pro but try some dry gas . you might have bad gas , make sure all fluids are good. make sure your gas cap is on tight I had that problem with my car

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