hiya ive got a 07 plate 1.6tdci fiest i was driving earlier and the engine warning light cam on and then the car stoped running i turned the ignition of and the restarted it all was ok then re did same light on car stopped says on dash check owners manual.so left it for a while restarted and drove fine do i need a dyagnostic check on this is is it something common .also if the light isnt on can they find the prob does the ecu keep the codes store on ecu cheers