I have just replaced the cylinder head gasket on a Tigra 1.4. Since doing\nthis the engine intermittently cuts out when stopping at junctions or\nstopping in traffic. This is not consistent sometimes it is fine and other\ntimes it seems to cut out all the time. Sometimes it is Ok at the start of a\njourney but then develops the fault after several or a dozen miles and other\ntimes it is the other way round. The other symptom is that the engine\nmanagement light stays on for about a minute after starting and then goes\nout and remains out. Apart from that the engine starts with no problem,\notherwise ticks over smoothly, has plenty of power and the new head gasket\nhas cured the loss of coolant.\n\n\n\nI have cleaned out the idle valve control, but would have thought that it\nwould have caused problems prior to swapping the head gasket anyway. Is\nthere any obvious thing that could be causing this that I have overlooked,\nand is there any information anywhere about checking the fault codes without\ntaking the car to a dealer (last resort)?\n\n\n\nThanks in advance,\n\n\n\nSteve.