[sarg]

Originally Posted by Mechcanico Lee

" As for charging for diagnosis this is a big no no "

What if it was an unknown engine problem that required intensive diagnostic pathway testing and various test procedures to come to a 100 % correct conclusion of the fault . Free diag ??

Then your diagnosis is it's "an unknown engine problem that requires intensive diagnostic pathway testing and various test procedures to come to a 100 % correct conclusion of the fault, that'll cost you £xyz, would you like to go ahead?"

Simples. You would have had to do some diagnostics to reach this conclusion, if it require further investigation, then that's what you then charge for.

Nonetheless, you'd still lose my business and goodwill if you tried to charge me an hour's labour to plug in a fault reader