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Sedans Toyota Camry 2007 Toyota Camry Problems and Repairs
4944 messages, Last post on Nov 29, 2009 at 6:46 PM
You are in the Toyota Camry Forum. Your Hosts are pat & karens
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Replying to: sewcoolsue (Dec 06, 2008 10:51 am) As in dirty/moldy gym socks...?? If so the odor will return...! See airsept.com for their EED. |
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I have spent about an hour looking at messages here without finding one that seemed directly on the nose for me. I bought a 2007XLE used Camrym 2.4 liter engine, automatic with 27,000 miles on it. Ratings for the model suggest that I should be able to get up to 33 mpg on the road. I have driven it about 2500 miles. I am getting 22-23 mpg on a flat highway, using cruise control, sitting at 60 mpg. In town I am getting about 15-16 mpg. I am a good driver and usually am able to get at least the mileage predicted. So the dealer (honda) where I bought the car says, "Does it drive smoothly?" Yes "Are there any dash board lights on?. No Then there is nothing wrong with it. I say, I am getting 25% reduction in miles. That means there is something wrong. They say, Nope, nothing is wrong. So then i go to Toyota since it is still in warranty (though something supposedly expires at 30,000. They hook it up to their machine and say "there is nothing wrong." I say.... They say, well it is the ethanol we use here. I say, that is supposed to be 5-10% decrease, not 25%. They say, yes but it is winter. I say, yes, but we have only had one frost so far and the temperatures are mostly int he 50s. They say, that will cause the difference in mileage. While I can change a tire and used to change my own oil, I would rather be reading up and making some fancy recipe. I don't talk cars, motors or engines and I don't feel I have the language to argue these issues. Please, am I wrong in my expectations of mpg? On Friday, I take the car to the Honda dealer for a check up. Can you help me figure out what to say if I am not wrong. Also, I read about some TSB(in my world that means tablespoon of butter) that appears to have been related to 2007 Camrys--but it sounds like it only applies to a manual. Many thanks for any help rendered. |
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Replying to: 4ruth (Dec 08, 2008 7:12 pm) Brakes dragging....?? At a constant, even, 60MPH what is the engine RPM...?? |
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Replying to: 4ruth (Dec 08, 2008 7:12 pm) No, the TSB (Technical Service Bulletin) are for automatics and 068-08 is for manual and automatic. |
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Replying to: mcdawgg (Dec 09, 2008 6:46 am) A TSB, as I'm sure you know, can be for anything...... automatic, manual, constant velocity (IF Toyota had a CS). It's just a service bulletin; nothing less, nothing more. Some TSBs apply to body trim, which obviously has nothing to do with transmission or engine type. I'll concede one point though: strangely on the 068-08 TSB, the description right from the factory does say for automatics AND manual transmission models. BUT.....how a TSB designed to "smooth shifting" can possibly apply to a manual transmission is beyond me. (Unless the TSB comes with a bottle of sedatives to calm the driver's jangled nerves, and therefore "smooth" out his manual shifting arm!! LOL!!)
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Replying to: notmybmw (Dec 09, 2008 7:22 am) With the advent/adoption of DBW or E-throttles the engine control ECU's firmware could be quite intimately involved, fully integrated, into manual shifting. |
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Since the price of a gallon of gas has gone down recently I've been able to fill the tank once in a while... I've decided to finally check the gas mileage I've been getting and I'm very dissappointed... the last 3 times I've checked I'm getting around 22/23 mpg. I have a 2007 4cl with 15k miles on it.. I do mostly in town driving ... some highway but I thought I should get better gas mileage then this.... about 6mos if not longer I had the TSB installed to fix the transmission hesitation problem... to be honest I never checked the gas mileage before I had the TSB installed... so I really can't compare mileage before and after... but the mileage I'm getting now is not good... I'm a normal driver... not heavy on the gas etc... anyone having the same crappy mileage as me? Also, at the same time... I also had the following repair kits installed to repair a dashboard noise I was getting when the weather turns cold... even though I had the noise kits installed I still get the same noise in the dash now that the weather has turned cold in NY... anyone having the same issue? "Noise Kit #08231-00801", and "Wind Noise Kit #08231-00810".
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Replying to: notmybmw (Dec 09, 2008 7:22 am) I was attempting to help the OP, because it sounded like they thought that some of the TSBs that they read about were only for manuals. As far as MPG before and after the TSB - I have seen no change. |
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Replying to: nmarcel1 (Dec 09, 2008 8:24 am) It is entirely possible, even probable, that the TSB hesitation fix involved keeping the ATF line control pressure elevated for a few seconds immediately after an upshift is completed. Just in case a required, re-acceleration, downshift is soon to follow. They may have even added a "virtual" dashpot as used in old carburated engines to prevent the engine from stalling due to otherwise too quickly falling to idle upon full throttle release. In city driving those few extra seconds of high ATF line pressure coupled with DBW being used to more slowly reduce the engine RPM to idle could add up, resulting in lowering your FE overall. Ford has recently adopted a variable displacement ATF pump to combat this very same problem. High volume at idle so the ATF pressure can be quickly raised even with the engine idling, but low volume at high, higher engine RPMs for improved FE. It is my belief that this would be just another form of the "fix" for the premature transaxle failures of the '99 & '00 RX300's. for the '01 and up RX300 models they reprogrammed the ECU firmware to constantly maintain the ATF pressure a a high level, result in severely burned ATF in as little as 40,000 miles. Then that development resulted in the need to change the ATF drain and flush maintenance schedule from infiniti, life of the vehicle, to every 15,000 miles. |
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Replying to: notmybmw (Dec 09, 2008 7:22 am) Also, do you think I am correct that I should be getting better mileage, even with ethanol added to the petrol? Thanks. Ruth |
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