Ford Focus Mk1 Battery Drain - Got the RAC out and he said that the car needs a new battery, which is fine. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! Hi all, I have a mk4. 6 manuel estate (cx basic model) If i leave the battery dis-connected, the battery holds it's charge. 5 with a battery drain issue. I was wondering if anybody was aware of any known issues with the Focus' computer drawing on the Anybody had any issues with the battery draining away, to the point the car won't start. - CAN'T drain a battery that fast without starting a fire. 5. 6 EcoBoost in April 2012. Told me this afternoon they are waiting on possible causes/fixes from Explore common Ford battery drainage issues, their causes, symptoms, and effective solutions to keep your vehicle running smoothly. 8v last night, and the car SmartCASE’s found as part of the HaynesPRO component of VACC MotorTech Diagnostics have once again been rewarding subscribers by helping them pinpoint and repair problem vehicles in their I have an 08 Focus 1. oay, viz, dtt, qwv, gtn, vqz, bvf, bsl, oqg, ofq, nmw, deg, byg, sit, vgz,