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Toyota Camry Hybrid MPG-Real World Numbers

856 messages,  Last post on Nov 22, 2009 at 8:38 AM

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What is this discussion about? Toyota Camry Hybrid, Fuel Efficiency (MPG)

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#806 of 856 Re: effects of ethanol? [sunkist2] by lzc Aug 22, 2008 (7:13 am)
Replying to: sunkist2 (Aug 22, 2008 4:57 am) The energy content of gasoline is 112-114,000 BTUs (winter/summer blends). Corn ethanol contains 76,000 BTUs. E10 reduces the energy content about 3%. Replies to this message: sunkist2 (Aug 22, 2008 9:36 am)
#807 of 856 Re: effects of ethanol? [lzc] by sunkist2 Aug 22, 2008 (9:36 am)
Replying to: lzc (Aug 22, 2008 7:13 am) So, I guess the bottom line is I need to stick with 100% gas as long as I can get it. Something I knew all along but was hopeful the TCH would handle the "garbage" stuff better. Whose brilliant(?) idea was it to introduce ethanol into gas? Wait, don't answer that, I think I know who!
#808 of 856 ethanol and economy by colorlarry Aug 26, 2008 (2:44 pm)
I just completed a round trip between Syracuse, NY and Hyannis, MA in my new TCH. The tank average for the trip to Hyannis was about 40 mpg. The average for the trip from Hyannis was about 36 mpg. The routes were identical as were the driving conditions. The difference? The gas bought in Massachusetts for the trip to Syracuse was 10 per cent ethanol.
#809 of 856 Re: Toyota Camry Hybrid: Real World Mileage Numbers [stj4] by bjrowner Aug 28, 2008 (4:49 pm)
Replying to: stj4 (May 27, 2006 7:43 pm) I am also seeing a discrepancy between the readouts, and when I calculate MPG in my 2007 THC at the pump. The read out on the console is usually anywhere from 3 to 5 mpg better than what my calculation is after filling up at the pump. When I asked the dealer to check to see if the on board calculator was reporting accurately, she said the on board one was working fine. She said it is just calculated differently than when at the pumps. I have no idea what that means. How can both be correct? How would they check the accuracy of the on board calculator? Thanks for any insight you may have. Replies to this message: lzc (Aug 29, 2008 3:25 am) tsy (Aug 30, 2008 8:45 am)
#810 of 856 Re: Toyota Camry Hybrid: Real World Mileage Numbers [bjrowner] by lzc Aug 29, 2008 (3:25 am)
Replying to: bjrowner (Aug 28, 2008 4:49 pm) A 3 to 5 mpg spread between dash readout and hand calculation seems excessive to me. I've experienced a .5 to 1.5 mpg difference, with the dash reading high more often than hand calculation. Some of that can be accounted for by the difference in when gas pumps click off.   I will say that about the time I conclude the dash reading is always a little optimistic, I get a couple calculations the other way. So, it just may be not as precise as some might wish. Replies to this message: tsy (Aug 30, 2008 8:45 am)
#811 of 856 Re: Toyota Camry Hybrid: Real World Mileage Numbers [lzc] by tsy Aug 30, 2008 (8:45 am)
Replying to: lzc (Aug 29, 2008 3:25 am) I agree, mine is usually only 1-2 mpg off (always higher though). This is similar to my experience with other cars with trip computers though. I believe it's calculated by the computer through how much fuel is going through the injectors which must not be completely accurate but is a close estimation.   tom
#812 of 856 2009 TCH - Real World MPG by sttkailua Nov 23, 2008 (10:14 pm)
Had the car 3 months now, 5,000 miles driven. My last fill-up averaged 45+ MPG. Computer screen said 42 MPG. Most fill-ups, the computed MPG is pretty close to the computer number.   Those of you who are getting in the mid-30's, read the driving tips heading! The 'pulse and glide' method on the accelerator really does improves the MPG. If you drive the hybrid like a regular gas vehicle with constant pressure on the accelerator pedal all the time, your MPG will not improve.   Keep the MPG dial on the dash as close to the 40-60 MPG range as possible. Drive in the E-mode (gas engine off) as much as possible!
#813 of 856 TCH 08 with 23 MPG? is normal by mra605 Dec 20, 2008 (5:18 pm)
I got my TCH 08 in Oct. and have been generally happy with the ride except for:   1. The best I got in the beginning was 34 and now 23!!!- I was explained by the service tech that is very normal ! 2. The thermostat in winter time (with snow on the ground) when set at 69, registered 89.7 through the vents when verified by service dept- I was explained it is due to climate control jacking up cabin temp (for over 40 minutes ) but is very normal ! 3. The voice command occasionally works and after a long time does input a no. in the phonebook - again very "normal" since it works- "even if not to your" expectations: I was made to believe it!!   I am truly confused - Should I give up the headaches and be happy with whatever left of new TCH??? I need some serious inputs!!! Thanks Replies to this message: cdn_tch (Dec 20, 2008 6:44 pm) mra605 (Dec 20, 2008 9:39 pm) cdn_tch (Dec 21, 2008 8:34 am)
#814 of 856 Re: TCH 08 with 23 MPG? is normal [mra605] by cdn_tch Dec 20, 2008 (6:44 pm)
Replying to: mra605 (Dec 20, 2008 5:18 pm) Welcome to the TCH camp!   To all 3 questions the answer is yes it is normal, but let me add some explanations...   1) When it gets cold outside you will have a noticable drop in MPG. Several reasons are true for non hybrids as well. a) Winter gas, has less BTU per gallon than summer gas and this is due to air quality requirements made of the refineries. b) a small change happens because the gas pumps are 'normalized' to give you the equivalent volume as if the fuel was at ~70 F (check the pump next time and you should see it in very fine print) c) all vehicles are programmed to reduce emissions first, improve mileage second. This really hits us as not only does the gas engine (ICE) need to be at operating temp, but so does the catalytic converter. By needing to get and stay at a certain temperature, the ECU will run the engine far longer before it hits mode 4 (the mode where the TCH will run in EV mode) and then it will run again if the ECU senses that the engine or catalytic converter have cooled off.   2) the temperature that you select on the controls is a target for the ambient temperature in the cabin. So when you want to warm up the cabin from an unheated 30F to 69F, the car will push out as much heat as it can to try and get the cabin air to 69F.   3) This could be a fault with the system, or a piece of insulation in front of the microphone or it could be that your voice or enounciation is not within the programmed parameters of the voice command system. This is one where if the system is working correctly, you will have to learn to say what the system wants to hear. Replies to this message: mra605 (Dec 20, 2008 9:39 pm) cdn_tch (Dec 21, 2008 8:34 am)
#815 of 856 Re: TCH MPG Drop During Extreme Heat [snaab93se1] by mra605 Dec 20, 2008 (9:13 pm)
Replying to: snaab93se1 (Aug 09, 2008 7:36 am) I am in Chicago area and in winter time now I am getting only 23 mpg ! I took it to the dealer 3-4 times where they insist that it is normal since heater has to be on! The most I saw was 34-36!   What should I do now? The dealer insists on system check being normal! Replies to this message: nkaizer (Dec 22, 2008 7:25 am) larsb (Dec 22, 2008 8:03 am)

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