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Old 03-23-2012, 01:15 PM   #226
thom52
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Quote:
Originally Posted by ocellaris View Post
While I think this is definitely possible, I think there would be a TSB for it?
Yes, there SHOULD be....
Maybe people need to go in and ask for a " ECU eval, wink, nod"


I still need to confirm this is a valid observation with manual calcs on mileage. That will take some time though. This is just a Ray of Hope for the moment.
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Old 03-23-2012, 02:15 PM   #227
SleepNMnky
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So, went in for my first oil change today & I mentioned I'm unhappy with my fuel economy. I spoke with the GM of the dealership as well as the Service Manager. They said this is a huge complaint they're getting from ALL 2012 Impreza customers so far. They have contacted SOA & have been told per SOA that there is a 10,000 mile break in period on this car. SOA said between winter fuel blends in NY & break-in that these low numbers are not out of the ordinary at this point. My dealership said they're not accepting this as an answer & don't feel the break in period should be 10,000 miles as some may trade it in before that date of they're that dissatisfied.

My dealer plans on running fuel consumption tests in our cars but says SOA won't even accept the numbers until there's at least 5,000 miles on the car. The fuel consumption test is done where they keep the car for a few days, empty the gas tank, fill it to predefined level (exact no. of gallons intended for this tank) & they take it out in roads for real world driving conditions & running the tank completely empty. They do this with 2 tanks & use the miles/gallons consumed over course of the two tanks. So they'll be following up with all of us complaining & presenting it to SOA if there's no improvement.
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Old 03-23-2012, 03:13 PM   #228
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Originally Posted by SleepNMnky View Post
So, went in for my first oil change today & I mentioned I'm unhappy with my fuel economy. I spoke with the GM of the dealership as well as the Service Manager. They said this is a huge complaint they're getting from ALL 2012 Impreza customers so far. They have contacted SOA & have been told per SOA that there is a 10,000 mile break in period on this car. SOA said between winter fuel blends in NY & break-in that these low numbers are not out of the ordinary at this point. My dealership said they're not accepting this as an answer & don't feel the break in period should be 10,000 miles as some may trade it in before that date of they're that dissatisfied.

My dealer plans on running fuel consumption tests in our cars but says SOA won't even accept the numbers until there's at least 5,000 miles on the car. The fuel consumption test is done where they keep the car for a few days, empty the gas tank, fill it to predefined level (exact no. of gallons intended for this tank) & they take it out in roads for real world driving conditions & running the tank completely empty. They do this with 2 tanks & use the miles/gallons consumed over course of the two tanks. So they'll be following up with all of us complaining & presenting it to SOA if there's no improvement.
That is interesting, and the noted break-in period is a year's worth of driving for many people - more than long enough for some to be done with it. I've been an advocate of the give it time philosophy, but that long a period is unacceptable.

For all the ranting against the couple of you experiencing truly bad numbers, I have to say if I were asked by the dealer how I felt about the MPGs, I would say I'm satisfied but not ecstatic. I can see the potential though as well, and have seen a definite improvement. For those who haven't I hope a change does come! Perhaps an ECU flash reprogramming the pzev is in order, I seem to lose as much on the first 2 miles as I can make-up over the next 10 on my commute.

If I had actually pre-ordered(lucky enough to get a cancelled pre-order), I would've went without the pzev for sure (of course, some owners have no choice depending on state). It seems as though most have the pzev though, and I think it is a real-world detriment to gas consumption - better for emissions at double the expense to the owner - having to pay for the add-on, and pay more at the pump. If they can turn it off, or make it less closed down at engine start, I'm all for it.
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Old 03-23-2012, 05:09 PM   #229
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Quote:
Originally Posted by pxpaulx View Post
That is interesting, and the noted break-in period is a year's worth of driving for many people - more than long enough for some to be done with it. I've been an advocate of the give it time philosophy, but that long a period is unacceptable.

For all the ranting against the couple of you experiencing truly bad numbers, I have to say if I were asked by the dealer how I felt about the MPGs, I would say I'm satisfied but not ecstatic. I can see the potential though as well, and have seen a definite improvement. For those who haven't I hope a change does come! Perhaps an ECU flash reprogramming the pzev is in order, I seem to lose as much on the first 2 miles as I can make-up over the next 10 on my commute.

If I had actually pre-ordered(lucky enough to get a cancelled pre-order), I would've went without the pzev for sure (of course, some owners have no choice depending on state). It seems as though most have the pzev though, and I think it is a real-world detriment to gas consumption - better for emissions at double the expense to the owner - having to pay for the add-on, and pay more at the pump. If they can turn it off, or make it less closed down at engine start, I'm all for it.

i was just reading on the cars101.com website about the new Impreza and it says after April 2012 no orders will be accepted for anything except PZEV cars, anyone have any further info on this? because I am looking to order one in a month or 2 and I don't want PZEV because I live in a state that doesn't require it.
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Old 03-23-2012, 06:31 PM   #230
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I think I read somewhere that all Foresters and Imprezas built after Feb are all PZEV now.
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Old 03-23-2012, 08:35 PM   #231
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A very interesting data point... My last fill calculated to 32.4 mpg. I was thrilled with that. I commuted in light rain today, both ways, and got the equivalent of 29 mpg based on the FE gauge, which I reset before starting off this AM. That's a HUGE 9% less MPG just because of the rain and small amount of water on the road.
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Old 03-23-2012, 11:30 PM   #232
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I got my first 30+ mpg average after 340 miles on this tank on my Sport Premium CVT, with 150 miles of 70 mph driving with rain and defrost on-it sure handled the wet stuff very well
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Old 03-24-2012, 12:20 AM   #233
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34 mpg today. Yep...baller status.

If you'd like to check out my fuelly stats (I've updated them with the average MPH and the trip calculator reported MPG, too), I'm here: https://www.fuelly.com/driver/mmande...eza?fu=2399752

Last edited by RxMPLS; 03-24-2012 at 12:55 AM.
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Old 03-24-2012, 01:14 AM   #234
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Originally Posted by RxMPLS View Post
34 mpg today. Yep...baller status.

If you'd like to check out my fuelly stats (I've updated them with the average MPH and the trip calculator reported MPG, too), I'm here: https://www.fuelly.com/driver/mmande...eza?fu=2399752
I'm officially freaked out...we have the same average mpg, same average price per mile driven (I've got about 300 more miles than you) and same average cost per gallon!
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Old 03-24-2012, 03:10 AM   #235
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Was 20.5. Down from 22.6. Mostly city driving this tank but I'm not driving like a maniac

Not terribly happy. Rolling almost 900 miles now. 6 mpg better than a Pilot that is a tank and probably weighs 2x as much? Doesn't make much sense to me.
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Old 03-24-2012, 03:39 AM   #236
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I'm getting 24 mpg and I'm happy enough with the result considering I do purely city driving and short trips up and down a hill (I live at the highest point of the city) with a few wot runs. I don't expect any car to meet EPA estimates going up a hill, and being 3 mpg off is good enough for me.
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Old 03-24-2012, 07:20 AM   #237
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After drivong a '12 Outback, I'm starting to wonder what the mileage would be with the 2.5fb in the Impreza. The Outback did damn near as well on gas in the real world as my Impreza. Just kinda got me thinking.
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Old 03-24-2012, 08:26 AM   #238
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I had a 2011 OB that I got rid of after 2,600 miles. I was averaging 25.7 in 50/50 driving and it was continuing to go up. I helped my friend move up to the mountains back in July. Purely freeway, loaded up and going up steep hills I acheived 33.1 and coming back unloaded going down hill I was able to get 34.7.

I was extremely impressed for a car rated at 22/29 and that's why I'm thinking the Impreza will do even better.
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Old 03-24-2012, 09:44 AM   #239
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Imo- the impreza is only marginally better in the real world. Now I didnt have that Outback loaner long, but it sure surprised me at how close it came to my Impreza's mpg's.
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Old 03-24-2012, 10:28 AM   #240
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if you have PZEV on your car does it affect MPG? I am going to be ordering a Sport Premium 5sp in about 1 month. I have read through this thread and not too much note if people have PZEV or not.
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Old 03-24-2012, 11:35 AM   #241
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Quote:
Originally Posted by 79letour View Post
After drivong a '12 Outback, I'm starting to wonder what the mileage would be with the 2.5fb in the Impreza. The Outback did damn near as well on gas in the real world as my Impreza. Just kinda got me thinking.

(edit after I calc'd OB mileage: 25-26)

Wife's '12 OB is also getting fantastic mileage- 28, 29 calc'd, with 10 mile 65 mph hwy trips. The big difference is how the CVT's work. The OB stays at low rpm unless you floor it. The Imp loves to rev in low gear until you hit 30-40 mph, depending on throttle position. I think Subaru has programmed it to avoid shifting the ratios while at high load, to make it more reliable. CVT will shift 'normally' above 40 mph...

Last edited by subiTWO; 03-24-2012 at 09:23 PM. Reason: Wife lied! :)
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Old 03-24-2012, 12:12 PM   #242
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Are people getting closer to the EPA estimates with the CVT or the manual? I'm interested in the manual hatchback, but the somewhat negative feedback on fuel economy is troubling.

On the other hand, even if the the fuel economy isn't as good as the estimates, it'll definitely beat my '98 Forester. I get around 22 MPG combined in that thing
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Old 03-24-2012, 06:16 PM   #243
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Quote:
Originally Posted by pxpaulx

I'm officially freaked out...we have the same average mpg, same average price per mile driven (I've got about 300 more miles than you) and same average cost per gallon!
Well, that shouldn't come as a huge surprise as I think we're in the same area of the country, thus we experience similar weather conditions (affecting our mpgs) and pay about the same cost per gallon at the pump...
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Old 03-24-2012, 07:58 PM   #244
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I now have almost 5000 miles on my limited sedan with CVT. I had my snow tires on from day 3 until the last two tanks. I drive 1/3 highway, 2/3 city. I drive in a very fuel efficient way, except have been driving 70-75 mph on a few of my recent trips. With the snow tires, I had been getting 26-30mpg (calculated, not the car computer which says higher). The next to last tank was 30.7mpg, and today, I hit 33.45mpg. So happy!
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Old 03-24-2012, 11:44 PM   #245
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I have 4200 miles on my Sport Limited and averaging 30.0mpg since new on the display. Actual is in the range of 28.0-28.5mpg. My best is 36mpg but I had to hypermile to get it. Drove the whole time watching the economy gauge and focused on keeping it in the upper half. By the time I got it up to 36mpg, I could barely press on the accelerator.....
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Old 03-25-2012, 09:59 AM   #246
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Originally Posted by flyboy1100 View Post
if you have PZEV on your car does it affect MPG? I am going to be ordering a Sport Premium 5sp in about 1 month. I have read through this thread and not too much note if people have PZEV or not.
Subaru claims that PZEV has no impact on performance or MPG, but I really doubt it, since it adds more layers of metals inside the catalytic converter to filter exhaust gases, making it more restrictive. Plus all the smog equipment adds extra weight, so I think the mileage and power output would be less.

Last edited by pkL; 03-25-2012 at 10:30 PM.
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Old 03-25-2012, 10:23 AM   #247
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That and pzev runs the engine differently to get things hotter quicker. I see about 2000 rpm cruising until it gets warm and 1500 after. It takes a couple miles or so to get warm. And this is after the blue light goes off. During warmup MPG is noticeably down.

What happens with non-pzev?
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Old 03-25-2012, 11:30 AM   #248
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Quote:
Originally Posted by hemophilic View Post
That and pzev runs the engine differently to get things hotter quicker. I see about 2000 rpm cruising until it gets warm and 1500 after. It takes a couple miles or so to get warm. And this is after the blue light goes off. During warmup MPG is noticeably down.

What happens with non-pzev?
Yeah it isn't as bad now with warmer temps, but in the winter the car would run at 3K rpm and barely be moving for the first 3-5 miles of driving - it definitely has an impact I haven't ever seen in another vehicle before in the winter conditions. Hopefully with break-in it'll be less pronounced next winter.
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Old 03-25-2012, 03:18 PM   #249
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Quote:
Originally Posted by hemophilic View Post
That and pzev runs the engine differently to get things hotter quicker. I see about 2000 rpm cruising until it gets warm and 1500 after. It takes a couple miles or so to get warm. And this is after the blue light goes off. During warmup MPG is noticeably down.

What happens with non-pzev?
Same thing in my non-pzev...
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Old 03-25-2012, 04:30 PM   #250
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Quote:
Originally Posted by hemophilic View Post
That and pzev runs the engine differently to get things hotter quicker. I see about 2000 rpm cruising until it gets warm and 1500 after. It takes a couple miles or so to get warm. And this is after the blue light goes off. During warmup MPG is noticeably down.

What happens with non-pzev?
I think i heard that has alot to do with the CVT. Does anyone with a manual have this happen as well?
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