Hyundai I30 Problems

It would seem that the problem with your car hasn't been fixed, and that instead of recommending you sell it, the dealer should be fixing it. Take it back and demand that the problem be sorted out, get Hyundai involved directly if you feel that will help resolve it faster.

Don't you just love it when the dealer and the carmaker can't get their heads together to sort out a problem, instead they just duck shove it back and forth between them. Go back to the dealer and express your disappointment and ask that they call in Hyundai to help sort out the problem. It's their responsibility to sort it out and they should take the lead.

If it's pinging all the time, there's something wrong and it needs investigating. If it's only there when the engine is under load, like accelerating or climbing a hill, it could be a transient thing while the engine adjusts to the new conditions. Today's engines are dependent on electronics and there is little that can be done to fix a problem like pinging, you can't swing the distributer a few degrees to get rid of it. It could be a sensor that's on the wrong end of the spec band, or the timing could be marginally out. Using a higher grade fuel is quick fix that might work, but of course it comes at a cost at the pump. If he's really  concerned about it take the car back to the dealer and insist that it be fixed. The company recommends 91-octane fuel and they should be held accountable for ensuring that it will.

The symptoms you report suggest that it could be worn injectors, which is an issue with many of the new common-rail diesel engines.

Good to hear, and good information for anyone who might be suffering the same problem.

We asked Hyundai to check Scott's car and they got back to us to say they could find nothing wrong with it. We will get back to Hyundai to ask them to check your car in the hope they might discover something.

Blowing that many globes would seem to suggest there is a problem with the electrics, and it would seem that there is a problem with the door locks. The latter suggests an issue with the electronics. Get it checked out.