UPDATE: Used the vehicle for months without any issues, but the warning light remained lit throughout. MOT time came along and placed a discreet strip of black tape over the light.
Car Passed the MOT without incident, emissions ok. ODB Code Reader received at Christmas useful present!). Three codes detected.P0304 (Misfire all cylinders), P0711 (transmission fluid temp.), P1B00 (Undefined?).
Regarding the misfire code, the engines runs normally under acceleration, normal cruising and smooth idling. I suppose transmission fluid temp. could be faulty sensor.
I erase the fault codes and switch MIL (warning light) to OFF and car runs for a couple of days without light re-appearing. Then out of the blue, it lights up again.
I am thinking about changing the coil pack, but with the car running fine, I wonder whether this is necessary. Any one else had similar trouble?
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