I believe it is a Denso spark plug but I don’t have the number. Does anybody know what part number it is by chance? My Prius is showing some signs of hesitation or sluggishness. I have about 50,000 miles on my 2017 Prius prime.
That's what I said! My wife's was purchased on 4/15/17 and just broke 6300. And that's only b/c I used it to commute to work a few times. Nexus 6P ?
I drive Alot. A whole lot. It’s been a good car. But with the weather hot and a/c on. For some odd reason the car has been a lot more sluggish when in sport mode if you will. And when at higher speeds. It just started a week or 2 ago. I give it premium most the time So i doubt if it’s the gas.
How many engine miles...vs. electric miles? I'd think the sluggishness would be something else. Water in the gas? Very old gas or a bad tank full from a station with tankage problems? Try a good fuel system cleaner. Seafoam is one of many; follow the label instructions.
I have used seafoam in other old cars and it does great stuff. I fill up with arco mostly. It is possibly bad gas. Will try a different brand. Tends to happen when it is hot 90f and up and I use a/c. And Also when I put it in power mode. I have a 240volt charger so I use at least 35+ miles electric daily. I average 40k miles a year.
Page 714 of the Owner's Manual: Hesitation might be bad gas, fuel filter. Maybe just run through most of the tank, fill up (at different station?) and see what that does. If no improvement, try a fuel injector cleaner with the next tank. If no improvement, then try throttle body needing cleaning, Manifold Absolute Pressure (MAF) sensor cleaning.
"Premium" isn't premium. It merely has a higher anti-knock index which is not needed for our cars. It is no better than regular at the same station. Try regular gas from a different station. Give it some time to work through the system. If you picked up some water from a station, it may lay in the gasoline filter. Water removal additives can get that out of there; otherwise a new fuel filter might be needed.
