Prius (Gen 3) Fuel :: Gliding Over 42 Mph
Jul 11, 2013
Do you think that I should glide when going down a hill and slow down or keep the ICE running and getting some mph? I tend to think that it's better to glide even over 42 mph.
View 14 RepliesDo you think that I should glide when going down a hill and slow down or keep the ICE running and getting some mph? I tend to think that it's better to glide even over 42 mph.
View 14 RepliesCan you glide (meaning no engine engaging) on straight road without a hill without loosing any speed over 40mph? I only can when my speed is dropping. I can drive all electric around town without EV mode, no problem.
Stock Yokohama's, front and rear @ 40psi. will bump them to 44psi. Also oil is higher the high mark, which I am planing to drain.
New to the Prius family. Bought a 2014 PIP advanced last week strictly as an economic play. Am noob when it comes to driving techniques, currently average 72 mpg on 90 mi. trips with one charge, so doing better than I expected. I did read up on the Pulse and Glide techniques for the standard Prius and the 'verification' of the glide portion for those is the lack of any power arrows emanating from either the ICS , MG2 or battery on the MID. I have been unable to replicate this on the PIP. In other words, when I am 'gliding' on my PIP, the ICS is off but there always seems to be a green charge indicator flowing back to the batteries from the front wheels.
Keep in mind, my foot is on the accelerator slightly, there is no 'white' bar protruding into the CHG area or the ECO area and I know I am 'gliding/coasting' as no matter how long I am in this sweet spot, even though the charge arrows are active, I DO NOT top up the battery at all, which says to me the car is indeed 'gliding' without the regenerative brakes or ICS in play and it certainly FEELS like I'm gliding as with over-inflated tires (44/42) the PIP seemingly coasts forever. I'm thinking this is a different behavior from a standard Prius in this 'glide' sweet spot, as, at least on my PIP, I can never get the MID to blank out in terms of energy flow. I.E. have you managed a 'pulse and glide' in a PIP getting the all energy flow arrows to disappear .
Bought my prius 2008 about six weeks ago. My commute takes about five to ten minutes and involves dropping the kids off at school. My mileage is 6.1 l per 100 Km. Not great but half of what my Saab takes.
I can often glide the Prius with ICE off shortly after starting the car. However, I have noticed that sometimes the ICE won't switch off after gliding down from higher speeds.
This could totally be my imagination or the fact that I'm used to driving a Honda, but I somehow get the sensation while driving on the highway that I need to "hold on tighter" to the steering wheel. I feel like the car is easily swayed to the right or left, and that I can't just casually keep one hand on the steering wheel. Sometimes I feel that I have to keep the steering wheel straight.
Probably just my imagination and I have to get used to driving a 4motion VW.
Shifting from 2 to 3rd seems to hold too long (surging) in many instances. 1st to 2nd is always perfect and smooth. Also it seems to engine brake (rather than gliding) at times when I take my foot off the gas. This is not desirable.
I plan to change the ATF and filter soon. I don't expect this to work but it is a good to do it since it has not been done. VW says it is a life time fill. I am not getting a check engine light.
Is this something that can be modified with software using a VAG Com diagnostic system or similar? Is this indicative of some other issue?
1999 VW Jetta with 01m automatic...
Does it harm the emergency brake to use it instead of the foot brake to slow while gliding into a parking spot?
View 19 RepliesEvery time I turn the car on, the "from start" fuel economy reading resets to 15l/100k. After driving for a while it goes down to 4l/100k but then resets back to 15 once the car is turned off. Is there any way to get it to stay at what it finished at?
View 11 RepliesSo, my 2005 Gen II Prius went for a scheduled service on Wednesday, 70k miles, Toyota main dealer. They called and said it needed new front brake pads and disks, I was surprised but gave the go ahead. There would occasionally have been a mild squealing sound from the brakes at very low speed so I accepted the pads might need replacing, I was surprised the disks needed replacing but it hard to argue about brakes, especially as I only have the car a year (I'm the second owner and it has a full Toyota service history). It had a "major" service, new spark plugs, new front brake pads and disks.
Since collecting it I've noticed that the engine seems to kick in more often and needs higher revs. The fuel consumption seems higher, normally mid 50's MPG (imperial gallon) now 35MPG. However it hasn't been driven many miles since its been serviced so its a low distance for calculating MPG. I've also noticed that the car seems to slow more quickly without applying the brakes, a regularly driven hill that I coast down at 48kph now only gives 35kph. Also, if I drive on a flat road for a mile or 2 and coast to a stop the front brake disks feel VERY hot, way too hot to touch, drivers side more so that passenger side.
While most of the emphasis I've seen on improving fuel economy seems to focus on warming the car up quickly in cool/cold weather, I seem to be experiencing significant mpg drops at the other end of the spectrum.
View 8 RepliesI am new to the prius 2010.
I filled up last week and I noticed that as soon as a single cell display in the fuel display part has some empty section like 3/4 fuel(single cell) the next day or after that that whole cell disappears without it showing that single cell as being empty.
Around which fuel cell, when displayed, is it important and recommended to fill up gas again, with one cell remaining or two etc.
When I go out to do errands around town (I live right in town) I get horrendous gas mileage. Now, I understand gas mileage is high at the beginning of a trip, but for this long and this high and under these circumstances? I'm getting ABOVE 10l/100km when I have 80% charge available (for americans, that's disgustingly high MPG like, pick-up truck high), AND my foot is completely off the gas. Literally, coasting, or braking, and I'm still sucking up gas. What the heck?
Is this just because it takes a certain amount of time for the engine to run no matter what or something? I still don't see any reason for me to be eating up all that gas when my foot isn't even on the gas AND most importantly, I have charge available. Feels pointless for me to use my car for what I use it for 70% of the time, which is for quick errands around town at low speeds. Thought the prius was suppose to be a superstar for this kind of thing.
I took my 2008 Prius to Jiffy Lube to have oil changed. When driving away, I made it about one block and all warning lights came on: Master Warning, Hybrid System Warning, Brake System Warning, Malfunction, etc. I pulled the car over and stopped. I started the car again, lights still there - drove 2 blocks back to Jiffy Lube and lost momentum about one block away, with pedal to floor, I could drive about 5 miles an hour into the bay. They looked at it for about 30 minutes and claimed I had bird seed that dropped under the air filter.... I said "goodbye" called AAA and had it towed to my dealer. They said it was because air had entered the system due to my being low on fuel. I have never heard of being low on fuel and it causing the car to shut down nor did I ever get a warning of low gas, still on one bar. Each time I restarted the car at Jiffy Lube, it started fine, drove forward or backward, then lost momentum again. Still no warning of being out of gas. The ticket from the dealer states:
"Vehicle low on fuel causing ECU to shut down fuel injectors when engine started to misfire. Found codes P0A0F, P3190 in system. Added 5 gallons of fuel and reset ECU."
I have a 2008 prius. Usually it gets me around 52-55mpg, I've had it since January. Since a couple of days ago its not giving me anything above 49. I know thats a normal number, but considering the fact that its usually quite a bit higher I'm wondering what the cause of the drop is. Also around the same time, when I pull out of my driveway I notice what appears to be a bit of water leakage. Its under the vehicle in the front center, and it only happens when I start the car for the day and pull out of my driveway (its on an incline).
View 4 RepliesWe gave the Prius a good workout in the rain for the first time today. Central Florida has been having serious amounts of heavy rain, creating water covered roads in our area. Normally the digital fuel mileage display shows around 55 MPG for most of our driving. However today it dropped to the upper forties very quickly.
We were running the wipers on continuous (low and med speeds), the AC (defrost) was running to keep the condensation off the windows, and the headlights were on. I wonder if the extra resistance of the water on the road also had an effect on the fuel mileage.
Even though we hit some fairly deep water and created large amounts of splash, the car tracked straight, the brakes worked well, and the power was totally uninterrupted. Other than the poor fuel milage we were impressed.
I am wondering about how fast to accelerate for maximizing fuel economy. I understand with the P&G approach that you don't want to get up to speed too slowly. The question is whether it really is more efficient to go ahead and get up to speed or stay within the ECO guidelines? In particular, I find that getting up to highway speed especially that it can take quite a while to get up to 70 mph without having it going into the power range. It seems like it is better to get up to speed and then back off to go to the high efficiency mode.
View 16 RepliesHow much gas do you put in your tank when your gas gauge's yellow light comes on (Low fuel indicator) in the Prius v (Yes, I am asking specifically concerning the Prius v)?
Would 9.25 US Gal or 35 L sound right to you?
What is the hourly fuel consumption for a Toyota Prius at idle? Purpose is keep cabin warm for 8 hours. Would this damage engine?
View 10 RepliesSo my fuel light started blinking after 480 miles. How much more can I drive it? The display shows 30 miles left before fill up but I read in the manual that when the fuel light starts blinking there is 1.6 gallons left so should that be like 75 miles left. Just wondering. To be on the safe side, I went to fill up.
View 19 RepliesI was heading to the gas station with one bar on the fuel gauge. When I got there to fill up I had two bars, same Miles To Empty (45). What would cause that?
View 6 RepliesI have had my prius c for 10 days now. I have put over 1150 miles on it in that time. I have noticed my mpg change with different grades of fuel. Usually the cheapest gas has ethonal in it and that mileage is not so good, about 44 is the best I get. True gas or no ethonal I stay between 52 to 54 with better mileage in the city over interstate. For me driving in plan normal mode over ECO mode makes no difference. Mileage seems the same.
View 19 Replies