I - Stop .........Off!
- Thread starter Old Kogarah Boy
- Start date
You don't need the engine off on a 2017, I couldn't hear the engine on tickover when I had one for the day, besides I always have music playing 90% of the time.
Yes it is unfortunately the diesel still uses the starter motor as does the petrol engine to restart. I stop also requires a special stop start battery which is more expensive if you need to replace it.
Yes the petrol engine does use the starter motor along with ignition start, that why restart is quicker than just using the starter motor.
Another point. Toyota Prius has a hybrid system where the engine is being started and stopped quite a bit (more that just a basic start stop car). Those have been around for over a decade and have a great reputation for reliability and low maintenance costs. Not high costs and failures from engine restarts.
1
123373
I stop is not as effective for saving gas when using the air conditioning on blistering hot days, otherwise it can save 2 to 10 percent according to Edmunds test. Worthless if your stuck in traffic on a 90 degree day!
https://www.edmunds.com/car-reviews/features/do-stop-start-systems-really-save-fuel.html
https://www.edmunds.com/car-reviews/features/do-stop-start-systems-really-save-fuel.html
Good point. I rented a Nissan Altima hybrid once for a few weeks and the one thing that bugged me was that even with temps in the mid teens, the car would start out on battery and a couple of blocks later the engine would start and kick in. I would prefer to idle the engine for 30-60 seconds at that temperature to get the oil pressure up and high idle down. I know it’s old thinking but at my age that’s all I know.
- :
- 2022 2.5GT
You think Istop was added to make it quiet ��
"While conventional idling stop systems rely on a starter motor to restart the engine, Mazda's i-stop restarts the engine through combustion; fuel is directly injected into a cylinder while the engine is stopped and ignited to generate downward piston force. The result is a quick and quiet engine re-start compared to other systems and a significant saving in fuel."
i-stop only works when the interior temperature actually reaches the set climate control temperature. Until it does, i-stop will not engage but when it does, it works as per normal.
- :
- Plano, Texas, USA
i-stop .........Off!
Now I just wish there’s a cylinder deactivation button like i-stop, or I can have an option to disable it permanently like i-stop!
So it sounded like your i-stop is permanently off and you can no longer activate it by pushing the i-stop button! The way I prefer is you still can have i-stop working by pushing the button whenever you’re driving in the stop-and-go city traffic. And whenever I start the engine the i-stop is off until I push the button.
Now I just wish there’s a cylinder deactivation button like i-stop, or I can have an option to disable it permanently like i-stop!
I'm not sure what you mean, the engine was running as the rev counter was showing a typical tick over speed.
http://www2.mazda.com/en/csr/environment/special_features/2009_02_01.html
Extract "The starter motor is operated to assist engine restarting, but using mainly combustion power for restarting requires less time and reduces power consumption.
This unique technology achieves an engine restart time of 0.35 seconds, the best in its class "
Ok I stand corrected - it's used to assist but using mainly combustion power for restarting requires less time and reduces power consumption.
Also Mazda says its engine stop-start system doesn't stop until the pistons are positioned for a quick and smooth re-start. The system resumes when the driver lifts off the brake pedal to get underway again - fuel is injected into the cylinder and the start motor applies a small amount of torque to the crankshaft, all of which makes for a more refined and quicker star, says Mazda - the claim is 0.35 of a second restart, which the company says is half the time of the other stop-start systems.
Source: Mazda I-Stop
This has been around since 2011. Again if there was mass issues with it, you would think after 7 years, we would have heard about it now. Plus the starter motor appears not to be the primary component for restarting the vehicle.
Last edited:
- :
- Plano, Texas, USA
i-stop .........Off!
Stop-start system on Toyota Prius hybrid or any other hybrid is a totally different system than ICE stop-start system like Mazda i-stop. Hybrid uses the big drive motor where the axial is attached to the engine crankshaft to start the engine. The reliability of frequent stop-start the engine is a non-issue due to the same axial used by both engine and motor、no additional moving parts、and much more powerful motor to start the engine!
Cant compare these 2 systems.
Toyota started Prius hybrid since 1997, it has been 21 years of reputation for reliability and low maintenance cost!
Stop-start system on Toyota Prius hybrid or any other hybrid is a totally different system than ICE stop-start system like Mazda i-stop. Hybrid uses the big drive motor where the axial is attached to the engine crankshaft to start the engine. The reliability of frequent stop-start the engine is a non-issue due to the same axial used by both engine and motor、no additional moving parts、and much more powerful motor to start the engine!
Cant compare these 2 systems.
Correct
- :
- Plano, Texas, USA
i-stop .........Off!
I believe the document on i-stop by Mazda is vague about whether or not the starter is used to re-start the engine in its i-stop. Once I asked Anchorman on this and his document does show the starter is involved to re-start the engine every time in an SA-G petro engine.
