I recently had the lambda light come on (96 854), because - I thought - that the thermostat needed changing and it had been running rich for a couple of weeks. Changed the thermostat and engine is running at proper temp all the time now, so got the code read (2-3-2) and deleted so the light went out. Happy Nik again. However, this morning approx 50 miles after the light was reset, it came on again!! Any ideas gratefully welcomed, and does anyone know what the code 2-3-2 actually stands for?