Browse mechanic challenges

A diesel van needs a jump start every morning. Rule out the battery and the charging system first, then measure the sleep current and isolate the circ...

A petrol estate sets P0300 with a flashing lamp on the motorway. Use the freeze-frame, the trims and a fuel pressure test to find the shared cause.

A petrol hatchback turns over sluggishly and refuses to fire after standing for a week. Decide whether this is a battery, a starting circuit or a fuel...