Hey guys

A week ago I picked up a 2002 Focus ST170 from a mate of mine who has had it 5 years problem free..

Yesterday morning I went to go out and she refused to start.
I had no break down cover so paid £200 to get AA which offers 1 home call out but for the remaining year you have to be at least 1/4 mile away from home??

Anyway, she was turning over, battery strong etc but not firing.
Turned out to be a faulty crank shaft sensor which I have orderd to replace shortly. It has been working since after a bit of a clean and a wiggle of the excisiting sensor.
Been using it today. Popped in my house for 5 mins (turned the car off/locked etc) - went back out and the battery was dead as disco... nothing... Jumped started it and we are back in the game.. but for how long?

Surely after not having a battery issue for at least the last 5 years, it doesnt just die within a few mins and after running it..!?

A coincedence and just needs a new battery or something jogged from yesterday looking around by the AA man to find yesterdays fault..?

Cheers for any advice!

Rob