Even something as simple as the stepper-motor, which controls the idle speed of the car, can be the cause of rough idling, but that’s less likely to contribute to gales of smoke from the exhaust. The best advice is to have the car scanned and see if the computer has logged any faults. Smoke from the engine might also warrant a compression
Problems so far: Air Conditioning (twice), Corrosion of alloy wheels, Drivers door handle not operative. crdi style, 1.6-litre to 1.9-litre, Diesel, Manual. Year. I believe the hyundai i30
The better half has just bought a 2007 1.6 CRDi Hyundai i30. She's had it a few days and been driving it without issue, but today the emission control/check engine light has decided to start flashing.
Early i30 cars suffered problems with the handbrake failing to disengage, requiring callipers on the handbrake disc to be replaced. If a car you are considering still does this, check the cost of repair before agreeing on a price. Used vehicle grading for Hyundai i30 (2012-16) Design & Function: 15/20 Safety: 15/20 Practicality: 15/20 Value forWUms.