I have a Hyundai accent and want to diagnose problem

Asked by Jane Nov 19, 2016 at 08:55 PM about the 2010 Hyundai Accent

Question type: Maintenance & Repair

it has been running rough at highway speed, and engine makes more noise
than usual. The check catalytic converter warning light is on. Also when I use
the cruise control it sometimes surges from 3000 rpm to 6000rpm, and then
adjusts back down to normal. What could be causing this

1 Answer

F_O_R answered 8 years ago

Maybe you should check the catalytic converter?

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