SHAMP

Brilliant! thank you Dave you've been more than helpful 👍 Steve

I'm lucky as I have (free) access to a professional level diagnostic machine only a 15 min drive away!! I'll pop it over this aft or tomorrow while I'm on leave and see what it says? Does the engine light have to be on out of interest or will it pick up fault anyway? I'm out of loop with modern cars, cut my teeth on old series land rovers and tractors so not really electronically minded (yet)

Morning Dave and thanks for the welcome! Cheers for advice I'll try that and see, do you think a more professional code reader would be able to narrow it down a bit more as mines only a hobby job? Cheers Steve

My 535d seems to lose power between 2nd and 3rd gear under hard acceleration leading to engine light coming on, code reader reports " throttle output circuit " fault? Is this a big fix or straightforward? Tia