Sorry to butt in... But I've been through this with my '93 1.6 (edit: I can't tell what model you have, this only applies to the early 1.6 with the 'gate type' AFM) Check the obvious things (o2 sensor, ECU temp sensor, AFM wiring) first If no luck, I had great results adjusting the clock spring tens...

Hi, Jon here from binarypunk in the UK. Was doing some searching online and found a few posts on here wanting to do a winking popup mod - I'm both an owner and also make electronic mods for the MX5 and I now produce easy-to-fit wink mods as well as fuel light kits for the mk1/2 and fault code reader...