I get 35 mpg on the freeway. The next day I will get 16 mpg just driving it around town. I have tuned it up and it runs great. No gas smell or leak. Could it be bad injectors, fuel pump or maybe needs a fuel filter? Can a real bad air filter cause this problem?
A very simple and inexpensive solution to this dilemma is to replace the fuel filter. Sometimes they get particles in the fuel system that get caught up in the filter, and plug it up. They are generally inexpensive, and the change takes less than half an hour. If you are mechanically inclined, you can even do it yourself. Buy a Haynes manual specific to your car, and you can learn to do the simple things yourself, saving a ton of money! It is worth the effort.
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Re: POOR GAS MILEAGE 1997 Neon (DOHC)
A really dirty air filter will knock down your gas mileage greatly....yes. Also keep in mind that you don't get as good of mileage around town, as you do on the freeway.....35 mpg isn't too shabby....oh and please give me a rating....thank you
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If you want fuel economy then dump this beast and buy a nice peugeot or citreon picasso diesel manual then you will get around 30 mpg around town and anything up to 70 mpg on a run ,try paying our fuel prices and this nice typical american petrol gas burner would be delegated to the classic car sunday drive out like my jag with its 4lt engine i can only afford to take it out once a month or so on a jaguar club run around ,other than that its my ford diesel manual escort with its 0 to 60 in 15 minutes but it only uses one tank of fuel a month.
Cause you're driving a bus. lol. Mileage will vary depending on what fuel you use, how you drive, and where you're located. typically what i've seen on trucks like yours, i'm asuming it's a 6.0 liter, is anywhere from 12-19 mpg. you should see around 15mpg for the most part. if you do a lot of in town driving, expect a lot less. @9-12. if it's less than that, i'd start lokking in to it. try running a K&N air filter and use synthetic engine oil. I've seen noticeable improvements with power and mpg's with that. Also, ensure that your tires are properly inflated as that can make a difference in mileage. use the recomended fuel octane and change fuel filters.
I would take the vehicle back to the dealer for a check. In city driving is seldom good but see what mileage you get on the open road. Stop and go kills mileage but my Pontiac G6 gets 26 in town and 39 on the freeway.
Your fuel mileage is about 24.8 MPG. Your 1997 Neon is reported as getting between 25-34 miles to the gallon (depending on driving conditions) Do you do a lot of city driving, or highway? Do you jet around everywhere (like me) or drive like someone's great grandmother? If you do a lot of the former, you're actually getting good gas mileage.. a lot of the latter and .. well.. check your fuel tank for leaks.
Incomplete combustion due to ignition problems, poor compression, worn or broken EGR valve, sticking injectors, old O2 sensor, dirty air filter, and just about anything else that affects how well the engine would run.
Start with a code scanner to find out if there are any stored fault codes.