- Joined
- Oct 7, 2021
- Threads
- 9
- Messages
- 207
- Reaction score
- 189
- Location
- Jalisco, Mexico
- Vehicle(s)
- 2022 Maverick 2.0 AWD
- Engine
- 2.0L EcoBoost
- Thread starter
- #1
Final update March 16 2023: hot the truck back, original flooded type battery swapped for a brand new AGM under warranty.
Update March 15 2023: see update in this post, dealership incompetent and barely did any troubleshooting before trying to give it back as working.
Update 2 March 15 2023: battery came out as perfectly fine after tests, still replaced under warranty. The truck will almost certainly fail again in the future, but service manager promises a rebtal truck and exhaustive electrical tests.
Greetings,
You might be confused by my title, but let me explain. Yesterday after taking 4 five-minute drives looking for some scarce medication, my truck refused to start again out of the blue. It had the usual symptoms of a dead battery: would only crank for 1/3 of a second, all lights would go out. This seems abnormal given my truck is about 1.5 years old, 29,500 km (18,330 miles) and seems too soon for the battery to die, but there's more to it.
When cranking the voltage would go down to 5.2 v, and then everything would turn off. Immediately after the battery read about 9v, then slowly creep back up to 12.5v like it is a brand new battery. It would still fail to crank, though.
I had a friend jump my truck, and strangely while jacked the maverick would crank like normal, and the engine seemed to fire up but then shutdown after barely half a second with no warnings on the dash.
It was 11:30 p.m., called Ford roadside assistance for a tow, and had to disconnect the battery to stop the parking brake from auto engaging after using the transmission park override. The guard at the dealership was apparently asleep or absent as no one came after an hour, so the truck overnighted at the tow depot.
Today at the dealership and after about 10 hours with the battery unplugged, the truck started right up twice, then on the third failed to crank again and jumping again did not help.
In summary, my truck is now at the dealership to check for a defective battery and/or some cryptic electrical gremlins.
I've read a few threads of ecoboosts with defective batteries, but never seen someone comment about jumpstarts failing nor the battery voltage bouncing back that much. Hopefully I'm not the unlucky discoverer of a new issue lol.
Update March 15 2023: see update in this post, dealership incompetent and barely did any troubleshooting before trying to give it back as working.
Update 2 March 15 2023: battery came out as perfectly fine after tests, still replaced under warranty. The truck will almost certainly fail again in the future, but service manager promises a rebtal truck and exhaustive electrical tests.
Greetings,
You might be confused by my title, but let me explain. Yesterday after taking 4 five-minute drives looking for some scarce medication, my truck refused to start again out of the blue. It had the usual symptoms of a dead battery: would only crank for 1/3 of a second, all lights would go out. This seems abnormal given my truck is about 1.5 years old, 29,500 km (18,330 miles) and seems too soon for the battery to die, but there's more to it.
When cranking the voltage would go down to 5.2 v, and then everything would turn off. Immediately after the battery read about 9v, then slowly creep back up to 12.5v like it is a brand new battery. It would still fail to crank, though.
I had a friend jump my truck, and strangely while jacked the maverick would crank like normal, and the engine seemed to fire up but then shutdown after barely half a second with no warnings on the dash.
It was 11:30 p.m., called Ford roadside assistance for a tow, and had to disconnect the battery to stop the parking brake from auto engaging after using the transmission park override. The guard at the dealership was apparently asleep or absent as no one came after an hour, so the truck overnighted at the tow depot.
Today at the dealership and after about 10 hours with the battery unplugged, the truck started right up twice, then on the third failed to crank again and jumping again did not help.
In summary, my truck is now at the dealership to check for a defective battery and/or some cryptic electrical gremlins.
I've read a few threads of ecoboosts with defective batteries, but never seen someone comment about jumpstarts failing nor the battery voltage bouncing back that much. Hopefully I'm not the unlucky discoverer of a new issue lol.
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