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  1. Mustang EcoBoost Electronics
    I just changed the batteries of the keys with new ones, but after two days the car says "low key battery" Has this happened to someone else?:unsure:
  2. Mustang EcoBoost Electronics
    Battery tested good. Alternator tested good. It’d be great to find out this is a simple plug-in replacement.....but ....probably not. Thoughts from the experts? TIA Matt
  3. Mustang EcoBoost Electronics
    I recently been getting a dead/weak battery issue, obviously its just the battery, not the alternator, had the battery tested, it holds a charge for a while, but tends to weaken after 2-3 days. I have another issue possibly related, not sure. My gauges seem to be acting funny. My average mpg...