hi all got a saxo vtr 1.6 on a sreg cars been running nicely up untill a week ago firstly the car jutters like fuel ant getting to car when idle its on 1000rpm and it will drop and back to 1000rpm and when driving it jutterer a bit in gears and there is a light flashing sometimes looks like a engine with a k looking symbol right hand side of lights panel i changed the fuel filter thinking it might be clogged up and also changed spark plugs but still happaing and aslo a key symbol starts to flash then goes any help
cheers
cheers