Dofraine

If the leads and coil are ok it could possibly be an air leak someware

Have u had it on a scanner to what codes come up

Hi got an issue im not quite sure whats causing it Sometime when the engine fan comes on the radio will switch off and the abs and traction light will come on but goes out after a few seconds and on really hot days the fan wont come on untill the temp is around 110 or 120 i changed the coolent temp sensor and thermostat a few months ago i have a mk4. Golf vr6 4motion x reg thanks