Bought MX5 2.5 earlier in the year. It was not driven by previous owner for nearly a year. The engine warning light is permanently on . I was told that the EGR valve needed replacing as it is a common fault with MX5s. I replaced the valve ( twice due to possible fault on first) and warning light still persists. Can anyone throw some light on this annoyance?. Car drives wonderfully and engine sounds very smooth. Occasional smell of petrol fumes in cock pit. Car was fully serviced and timing belt replaced.
Regards
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