NA Motor Discussions regarding N/A KA24E, KA24DE, and SR20DE

Gas mileage?

Old 01-15-2004, 07:23 PM
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Gas mileage?

what can I do to increase my gas mileage?? it sux im seriously getting like 15-17 mpg rite now, and I dont drive on the free way like at all.this is shifting at like 3000-3500 roms whats wrong?
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Old 01-15-2004, 08:27 PM
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search for bad gas mileage

02 sensor is the biggest thing by far, replace that
fuel filter
spark plugs, wires, seafoam, etc

searching will find you the complete answer.

Dr.
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Old 01-15-2004, 09:39 PM
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doc covered it, if you havent done a FULL tune up =...then its time to do so.
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Old 01-15-2004, 10:16 PM
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I was really thinking it was the oxy sensor I dunno how will all that run me up as in money?
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Old 01-16-2004, 12:21 AM
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There is the part number on this forum, try searching for it. It shouldnt cost anymore then 35 dollars.
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Old 01-16-2004, 01:12 AM
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clean ur injectors too...
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Old 01-16-2004, 08:19 AM
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yeah, fuel injector cleaner can help.

you can either buy a direct fit o2 sensor for like $38 bucks, or you can buy a generic one that you'll need to make clips and cut the single wire, which is easy, and it's only like $19. Both are the exact same brand and evertything, only difference is the connector.

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Old 01-16-2004, 06:37 PM
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cleaning your injectors can be a good idea, most people use stp or one of those products however nissan actually put out a statement not to use these products they said that they corrode the injectors, ill see if i can find the article
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Old 01-17-2004, 09:28 PM
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Well yesterday I bought some Denso spark plugs alot of people in the store where like "they are just as good as NGK trust me" because they didnt carry NGK. I also picked up a bosch oxygen sensor the universal one cost like 22.99 it was hella easy i jus had to clip it and strip it. I dont drive my car that much because I only have my permit but I got better response and yes I did gap my plugs so dont worry.
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Old 01-19-2004, 04:21 AM
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Nippondenso plugs are good... comparable to NGK for the most part. The Iridium plugs are awesome IMO if you want some better mileage



Doc WTF was seafoam again? I know I asked this before... or did I?
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Old 01-23-2004, 01:58 PM
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Gas Mileage

If you want performance you can't complain. Performance and good gas mileage don't mix. My winter car (1991 Buick Lesabre) 3.8 liter v6 kills my 1990 240 sx when it comes to mileage. My 240 sx couldn't even come close to getting the mileage my Buick get's . My 3.8 L v6 Buick gets twice as good mileage then my 2.4 L 240SX gets. My 240 SX has the worse gas mileage I have ever seen from a 4 cylinder but when you start doing performance work to a car you can't expect the gas mileage to stay the same.
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Old 01-23-2004, 09:13 PM
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gas

i get 28mpg average and thats driven a little hard and 120k on it. the ka doesn't get that bad mileage.
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Old 01-23-2004, 09:21 PM
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Doesnt exhaust and intake add gas mileage?
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Old 01-24-2004, 10:17 AM
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Originally posted by drnovascotia
search for bad gas mileage

02 sensor is the biggest thing by far, replace that
fuel filter
spark plugs, wires, seafoam, etc

searching will find you the complete answer.

Dr.
what's seafoam?????
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Old 01-24-2004, 03:34 PM
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intake and exhaust will not increase HP, some people do see a little increase, however thats from a less restrictive air flow due to stock internals. that and with an intake and ecxuast people accelerate quicker and shift generally at higher rpm's.

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