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Old 09-20-2013, 04:24 PM   #1 (permalink)
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Hello All....97 civic LX


My name is Jimmy Criswell. I just thought I would introduce myself to everyone. I just bought a 97 civic with 202,000 miles on it. Has a slight stumble occassionally on acceleration but runs exceptional other than that. So far I have only gone through one tank and got 39.97. I aired the tires up to 46. Max says 44...how far can you push this? I changed over to Mobil one synthetic 5W-30 although I am thinking of changing to a lower viscocity higher caliber oil. Has a stock air filter that is slightly dirty.

My beginning goal is to get up to the 45 range. I have begun practicing some of the techniques mentioned here starting about 2 years ago with my Rav4 which I averaged 31 mpg in.

What suggestions are there to improve mileage to this point without making major adjustments to the car as my budget is very limited at this point.

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Old 09-20-2013, 04:29 PM   #2 (permalink)
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Join Date: Feb 2012
Location: Missouri
Posts: 540

Lean and Mean - '98 Honda Civic HX
Team Honda
90 day: 46.69 mpg (US)
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Try disconnecting your O2 sensor, and see if the acceleration stumble stops. If so, it's probably your O2 sensor.

Check out this thread for tire PSI discussion: http://ecomodder.com/forum/showthrea...res-26464.html

Make sure you check out 100+ Hypermiling / ecodriving tips & tactics for better mpg - EcoModder.com and 65+ Vehicle modifications for better fuel economy - EcoModder.com for suggestions on increasing MPG.
1998 Honda Civic HX - My Project Thread

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Old 09-21-2013, 09:46 AM   #3 (permalink)
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Join Date: Mar 2011
Location: Coastal Southern California
Posts: 6,297

Black and Green - '98 Honda Civic DX Coupe
Team Honda
90 day: 66.42 mpg (US)

Black and Red - '00 Nashbar Custom built eBike
90 day: 3671.43 mpg (US)
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Welcome... what cbaber said... and also... what transmission do you have, auto or manual?
See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.

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Old 09-21-2013, 06:10 PM   #4 (permalink)
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It is an automatic.
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Old 09-23-2013, 08:21 PM   #5 (permalink)
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Location: Tustin, CA
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2013 STi *SOLD* - '13 Subaru Impreza WRX STi
Sports Cars
Team Turbocharged!
90 day: 26.59 mpg (US)

1996 Geo Metro *RETIRED from Ecomodding* - '96 Geo Metro Base
90 day: 58.68 mpg (US)
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what kind of daily commute do you have?

If its mainly city driving - weight savings will have a bigger impact on mpg. Plus most of these are FREE
1)remove spare tire, replace with a bottle of "fix a flat" or something similar
2)remove back seat
3)remove passenger seat if you dont drive with anybody.
4swap out a smaller battery
5 removing the power steering is also free, this gave me a solid 3mpg bump.

if youre commute is mostly highway - aero mods will have a bigger effect on mpg
1)upper grill block
2) lower grill block
3)side mirror deletes
4)side skirts
5)front wheel covers
6)rear wheel covers

If you are not worried about looks, everything on that list is achievable via CAD (cardboard aided design)


See the rest of the Sti project log:
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