free warranty up to 2 years (cover engine/gearbox/

hi, i owned a wira 1.3 injections year of makin 2003. the car was using semi synthetic oil since the start n never missed an oil changing schedule. Recently, the car have a few problems. Early morning when i start the engine, the idling were not stable even after it has been warm up. And the dashboard meter showed an "engine check" sign even when i start to drive the car. After a few hrs of driving and park it with engine still running, there is a scent of petrol humes from the exhaust...