I have not yet found the answer to my problem, so would greatly appreciate any assistance you are able to give.
In answer to your quetions, I can reply as follows:
1. The car has covered just over 100,000 miles and been regularly serviced.
2. It has been doing this for a couple of weeks and notbfollowing any work done on the car.
I hope this assists,
Many thanks for your answer.
I did as you suggested and am pleased to advise the problem is resolved. Brilliant!
Many thanks indeed,