Odd one yesterday. Negotiating a big Island with traffic lights between exits. Puma flashes an amber warning saying manual restart required.
Car was stopped on red light and start/stop green light activated.
Had to shut the car down and restart just like if you'd stalled.
Manual restart required
The hybrid Puma has two starter motors, a 12 volt and a 48 volt. The 12 volt is for first engine starts. The 48 volt is used for stop/start. What you describe sounds like the 48 volt went faulty as you stopped at the lights, requiring the 12 volt starter to restart the engine. Has it happened again?
No, just that one time, alhough I have set the start stop setting to low speed. I found that the engine was too keen to shut down when slowing and changing down for major to minor turns etc, at the higher speed settings.Chocky wrote: ↑Sun Aug 16, 2020 12:52 am The hybrid Puma has two starter motors, a 12 volt and a 48 volt. The 12 volt is for first engine starts. The 48 volt is used for stop/start. What you describe sounds like the 48 volt went faulty as you stopped at the lights, requiring the 12 volt starter to restart the engine. Has it happened again?
Interesting fault.Wdf76 wrote: ↑Sun Aug 16, 2020 5:34 amNo, just that one time, alhough I have set the start stop setting to low speed. I found that the engine was too keen to shut down when slowing and changing down for major to minor turns etc, at the higher speed settings.Chocky wrote: ↑Sun Aug 16, 2020 12:52 am The hybrid Puma has two starter motors, a 12 volt and a 48 volt. The 12 volt is for first engine starts. The 48 volt is used for stop/start. What you describe sounds like the 48 volt went faulty as you stopped at the lights, requiring the 12 volt starter to restart the engine. Has it happened again?
Out of curiousity what does that setting do. I cannot find a mention that describes what each of the low, medium and high setting does ?
I believe it's simply the speed at which the car is travelling for the engine to stop.
I found that at high speed setting the engine would shut down between 12-15 mph when coasting to a stop.
I found the engine was too keen to stop when slowing for junctions and then there would be a bit of a jolt when starting after gear selection to turn in.
It's my understanding that start/stop systems are anti emissions devices not for fuel saving?
Probably both, you are going to save fuel when the engine is not running, especially when stuck in traffic.Wdf76 wrote: ↑Fri Aug 21, 2020 8:15 amI believe it's simply the speed at which the car is travelling for the engine to stop.
I found that at high speed setting the engine would shut down between 12-15 mph when coasting to a stop.
I found the engine was too keen to stop when slowing for junctions and then there would be a bit of a jolt when starting after gear selection to turn in.
It's my understanding that start/stop systems are anti emissions devices not for fuel saving?
Ford Puma ST-Line Vignale 155 Automatic.
Driver Assistance Pack. Power Tailgate etc. etc....Frozen White.
Wireless Android Auto.
Previous Puma ST-Line X First Edition.
Driver Assistance Pack. Power Tailgate etc. etc....Frozen White.
Wireless Android Auto.
Previous Puma ST-Line X First Edition.
https://www.fordservicecontent.com/Ford ... Market=GBRThe system is designed to help reduce fuel consumption and CO2 emissions by stopping the engine when it is idling, for example at traffic lights or when your vehicle is coasting at a speed less than the engine stop speed that you have set. See Setting the Engine Stop Speed. The system is designed to stop the engine when the transmission is in gear or in neutral.