First of all know the kind of engine you are dealing before attempting to do the next step is to indicate the problem because somethimes it might lead into another.
Then have some of your PTT's with you while trying to test the engine. Then immediately,drain the petrol as quickly as possible so as to create opportunity for other mechanics or expert to quickly wash and keep the tank clean and neat.
Then after you have finished the service you have to collect your wages and recipts of the company will be given to the customer. You have to note down the other problem that have been caused and the porduct that is really essential to purpose before the next service. It is quite advisable to let the customer know when the next service it is usually between to six to a years service but if the problem leads into a difficult situation then the coustomer and the mechanic has to make an urgent appointment date.
EGBUONU DENNIS, April 2009