Fuel economy gone to hell
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Fuel economy gone to hell

 
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Posted: Thu Dec 08, 2005 10:57 pm    Post subject: Fuel economy gone to hell Reply with quote

I've got a '94 Suzuki Sidekick that is sucking gas. It actally started
about a year ago. I used to get 300+ km on a tank of gas. Fairly
suddenly it was down around the 270-280 km range. Because I used my
motorcycle for commuting in the spring, summer and fall I wasn't
particularly bothered.

Recently I installed some NSK platinum sparkplugs, thinking maybe the
burn was poor. The old plugs certainly had out-of-spec gaps, so I
figured I was good to go. Well, there was no improvement in
efficiency, and the last couple tanks seem to be even worse, with less
than 270km to E.

Could something like the O2 sensor cause a sudden drop in economy? Is
there anything else I should check?

Thanks,
Dean

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Thomas Schäfer
Guest





Posted: Fri Dec 09, 2005 3:19 pm    Post subject: Re: Fuel economy gone to hell Reply with quote

Quote:
Could something like the O2 sensor cause a sudden drop in economy?

Yes, if he tells the engine to enrich the fuel/air mixture.

Quote:
Is there anything else I should check?

Air filter, tire pressure,
on board diagnosis, compression,
and perhaps - the odometer?

Cheers,

Thomas
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B. Peg
Guest





Posted: Fri Dec 09, 2005 7:26 pm    Post subject: Re: Fuel economy gone to hell Reply with quote

Dunno where you live, but here in California our winter gas blend causes my
vehicles to lose about 10-15% in mpg - similar to your 10% in a tank of gas.
It really is noticeable if you have a higher effeincy vehicle like a Prius
or similar. Once spring/summer rolls around, it goes up again - but so does
the cost.

B~

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Guest






Posted: Sat Dec 10, 2005 9:12 am    Post subject: Re: Fuel economy gone to hell Reply with quote

Since the Iraq war, all gas coming from Iraq is watered down. It's a
conspiracy to destroy the USA. Blame Bush for starting a war for no
reason. The OP appears to be from another part of the world because
of the use of metrics. As an American, I am warning you that all the
worldly problems are because of Bush. If you want your milage back,
your country will have to assist America to get rid of Bush. Please
come and get the moron and take him to your country. Do whatever you
please with him. He might come in useful as a hole-plug, if your
sewerage system springs a leak, or you might be able to train him to
fetch unexploded bombs, just like a dog. Either way, take him, we
sure as hell dont want him. Heck, most Americans would even pay you a
few bucks (I guess that's pounds), to get him out of here, so you
could even make some money doing this.
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2 the future



Joined: 30 Dec 2005
Posts: 1
Location: WA

Posted: Fri Dec 30, 2005 6:09 am    Post subject: bad fuel economy Reply with quote

I've heard the same thing from one of my companies about fuel mixtures being different in winter and summer leading to worse mileage figures in the winter. I know a fuel catalysor which works really well (my '96 Dodge Neon has gone from roughtly 20mpg to 27mpg since the beginning of Dec) but we're not supposed to advertise here.
Other than that, wait it out...but that sucks somehow!
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Tom
Future-Enterprises
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bwhite52yes



Joined: 18 Jan 2006
Posts: 8

Posted: Wed May 03, 2006 1:55 pm    Post subject: fuel catalysor Reply with quote

What is a fuel catalysor and where could a person buy one? Do they make them for a Jeep Cherokee?
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