fitter put new exhuast vavles ets went for drive started to knock,took it back he said did not sound like big/small ends.(i am not a mech)Put a bulb in engine ECU unit and flashes 9 times.Now this is my question could big ends/small end go as quick as that no knock before just no compresion on 1 cylinder,self diagnosic says 9 flashes timing or sensor any sugestions car due to go back tuesday ,dont no how fitter did the timing downloaded some info off steves www site about ignition timing which i will give to him,hope you all had good time at billin weather was good in clacton.