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  1. Mustang EcoBoost Maintenance
    2017 EcoBoost convertible with about 38k mi. Just replaced original battery, which was losing juice and was experiencing some hesitation on starting a few times after car sat overnight. It would first act like it had no enough juice but after trying to start it it would turn over and once...
  2. 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:
  3. 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
  4. 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...
1-4 of 4 Results