Regular service September 2012.
ENGINE DIAGNOSTIC LIGHT ILLUMINATED - COLOUR ORANGE - NOVEMBER 2012
Replacement of Magnet and coolant thermostat undertaken. Recurrence of diagnostic light within days.
Said to be a small tube disconnect which was quickly fixed.
Pre Christmas warning light returns.
Can detect no abnormality with the car?
QUESTION
Is this likely to be a consequence of recent repairs or is likely to be a new problem?
It seems to me to be almost impossible to have three independent episodes in such a short time
and I am concerned about competence.