Improve gas mileage on the 2.5 L engine - Toyota Nation Forum : Toyota Car and Truck Forums
Camry 5th & 6th Gen (2002-2006 & 2007-2011)/2nd Gen Solara (2004-2008) Toyota Camry Discussion for years 2002-2006 & 2007-2011, as well as Solara Discussion for years 2004-2008. Topics of discussion range from fuel economy, safety, modifications, performance all involving America's favorite family car, the Toyota Camry.

 
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post #1 of 6 Old 06-01-2019, 10:12 AM Thread Starter
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Improve gas mileage on the 2.5 L engine

Recommendations, please.
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post #2 of 6 Old 06-01-2019, 10:49 AM
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- Make sure your tires are properly inflated. If you're concerned about fuel economy, you can "over-inflate" them by 2-3 psi, not too much though
- New engine air filter
- New spark plugs
- Make sure no leaks in air intake hoses
- Run a bottle of fuel injector cleaner (although I'm not sure this really does anything)
- Try synthetic motor oil rather than conventional
- Adjust your driving style, accelerate gently and avoid hitting the brakes
- Take all the unnecessary crap out of your trunk
- Lose some weight yourself!

2001 Camry LE 2.2L, Black, 146K as of 6/19
Bought 10/16 with 131K

2001 Camry LE 2.2L, Lunar Mist Metallic, 96K as of 6/19
Bought 6/01 brand new
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post #3 of 6 Old 06-01-2019, 11:00 AM
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The secret I have found in getting good gas mileage is in driving habits. No jack rabbit starts, easy on the go pedal when accelerating, watch ahead for traffic lights to minimize stopping, don't sit at idle for long periods, keep speed reasonable (65 mph max for me). Every time you use your brakes to slow down you are effectively converting some of the energy from your gasoline into heat. Using cruise control in hilly country increases gas consumption whenever the transmission shifts down to maintain speed.

Maintaining proper tire pressure helps. The higher the pressure, generally the better MPGs you will achieve. However, with the pressure too high tire wear will be a problem. Keep an eye on the air filter and keep the engine properly tuned. The latter is not as critical as on older vehicles, tho, in my experience.

I have always been able to exceed the sticker mileage numbers. The calculate MPGs on my vehicles are about 25% better than most reported on these forums, sometimes more than that.
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post #4 of 6 Old 06-01-2019, 02:45 PM
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Slimfast for driver as only meal daily

40psi in tires, and wheel alignment pointing straighter than OE requirement specs

MPG tires

toptier fuel

synthetic thin oil and synthetic oil filters 0w8???

synthetic thinner ATF .... ULV!

underdrive and lightweight engine pulleys

balance shaft removal

free flow air filter allowing extra dirt with either a tube or extra holes in air filter box

lighweight rims... spare tire delete

carbonfiber hood... fenders trunk....

reduce the vehicle's weight as much as possible... strip it bare

ground/wiring upgrade

tiny car battery

The most important thing that affects MPG is the fool in control of the gas pedal

The best way to improve MPG is to trade it in for a https://www.toyota.com/prius/
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So many trolls so little time
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post #5 of 6 Old 06-01-2019, 02:57 PM
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Quote:
Originally Posted by Greasymechtech View Post
Slimfast for driver as only meal daily

40psi in tires, and wheel alignment pointing straighter than OE requirement specs

MPG tires

toptier fuel

synthetic thin oil and synthetic oil filters 0w8???

synthetic thinner ATF .... ULV!

underdrive and lightweight engine pulleys

balance shaft removal

free flow air filter allowing extra dirt with either a tube or extra holes in air filter box

lighweight rims... spare tire delete

carbonfiber hood... fenders trunk....

reduce the vehicle's weight as much as possible... strip it bare

ground/wiring upgrade

tiny car battery

The most important thing that affects MPG is the fool in control of the gas pedal

The best way to improve MPG is to trade it in for a https://www.toyota.com/prius/
I would not want to see that engine without that balance shaft lol.

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post #6 of 6 Old 06-04-2019, 06:55 PM
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What kind of mpg are you getting now? I drive pretty conservatively and keep up on all the typical things like filters and tire pressure and such and I have had a long running average of about 27/28 mpg over the last several years on my 2az solara. Gets to mid 30's on long highway trips if i stay around 70 mph, as low as 24 mpg if i only do short trips around town.
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