I had had this car for three months

done 82k miles

full service history, recently had problems

when in lower gears the car knocks r stalls and also

when in traffic or neutral it has a rough idle.

got new EGR valve, throttle body , new alternator, spark plugs etc.

No result. its smooth in higher gears.

note sometimes when starting up in cold it has rough idle and makes engine maagment light on

and it goes off after few good motorway drive.

please help me anybody

Welcome to Briskoda, not sure on your problem but sure someone will be able to help.

Hi and welcome aboard.