Frankie_B Posted January 6, 2008 Posted January 6, 2008 I know this topic has been posted a number of times, and I've read a whole bunch of the advices and followed them. The 98 ES300 in question has 130,000 miles on it. So far I have: - Continuously changed oil to Mobil1 Synthetic every 5000 miles - Continuously changed air filters - Replaced spark plugs to NGK Platinum - Done 3 Seafoam treatments (booster line & fuel tank) - Replaced two pre-cat O2 sensors (to Denso) - Tire pressure kept at 32-35 psi - Wheel alignment/balance OK - ECU reset I get 15-17mpg in city driving. I'm not racing it at all (very rarely over 3000 rpm). I use the proper MPG calculation (filling to the top and measuring method). I'm really lost as to what else could have possibly cause such a terrible milage. Anyone, please?
1990LS400 Posted January 6, 2008 Posted January 6, 2008 The revised EPA estimates for the 98 ES300 at http://www.fueleconomy.gov/!Removed!/noframes/14224.shtml are: MPG (city) 17 MPG (highway) 25 MPG (combined) 20 If you are driving purely in stop and go city traffic, then 15 - 17 mpg sounds about right. My wife's 98 Camry has the same V6 engine and automatic transmission as your ES300. It has 98,000 miles on it and is used mainly for a 20 mile round trip daily commute -- about 75% on a 60-65 mph interstate highway and the rest at about 35 mph with few traffic lights. I calculated the gas mileage over the last several tank fulls this morning as I gassed up her car -- 20-22 mpg. My wife has an unusually "light foot" on the gas pedal. Toronto's traffic has made quite an impression on me over the years having spent the equivalent of several weeks there - mainly based near the inner harbor on University Avenue. I love Toronto but its traffic seems more like New York City than the easy traffic where we live in the Kansas City metro area.
Frankie_B Posted January 6, 2008 Author Posted January 6, 2008 Right, thanks for this link! I guess I have to buy a Civic for the city driving :(
SKperformance Posted January 6, 2008 Posted January 6, 2008 Make sure your egr is not sticking closed.
mburnickas Posted January 7, 2008 Posted January 7, 2008 15 to 17 in the city is below what I get in the city. I always get above 20 MPG in city.
mburnickas Posted January 7, 2008 Posted January 7, 2008 Make sure your egr is not sticking closed. How would he do that>?????
byf43 Posted January 8, 2008 Posted January 8, 2008 I know this topic has been posted a number of times, and I've read a whole bunch of the advices and followed them. The 98 ES300 in question has 130,000 miles on it. So far I have: - Continuously changed oil to Mobil1 Synthetic every 5000 miles - Continuously changed air filters - Replaced spark plugs to NGK Platinum - Done 3 Seafoam treatments (booster line & fuel tank) - Replaced two pre-cat O2 sensors (to Denso) - Tire pressure kept at 32-35 psi - Wheel alignment/balance OK - ECU reset I get 15-17mpg in city driving. I'm not racing it at all (very rarely over 3000 rpm). I use the proper MPG calculation (filling to the top and measuring method). I'm really lost as to what else could have possibly cause such a terrible milage. Anyone, please? There are other factors involved in gas mileage, other than mechanical. For example. . . I can drive ANY of our vehicles and get MUCH BETTER gas mileage than my wife, driving the same road and road conditions. Case in point. . . my '93 es300 has 107,000 miles on it. I drove this car to/from work last week and got 22.71 mpg. My wife drove the same car. . . the same route, the week before, and she got 16.4 mpg. Bottom line. . . she 'pedals' the car. Gas on. . . gas off. Gas pedal down. . . let up on the pedal. I can sit and watch the gas gauge go down toward 'empty' with her driving! She drove her van ('01 Chrysler T&C LXi w/3.8 V6) to North Carolina. . she got 19.6 mpg. I drove it back from N.C. . . 23.9 mpg. Ultimate bottom line. . . driving habits determines a lot with regard to mpg.
Frankie_B Posted January 8, 2008 Author Posted January 8, 2008 Well, I rarely go over 3000 rpm anymore. I guess it has to be the city driving here. Took it on the roadtrip to Buffalo, got about 25 mpg, cruising at 70-75 all the way.
Lexusfreak Posted January 9, 2008 Posted January 9, 2008 In city driving, be gentle on the throttle when accelerating from a traffic light.......be easy on the brakes, look far down the road & get into a habit of 'coasting' to red lights. It works wonders. B)
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