Fuel Consumption : How to improve or retain efficiency

[GTi]

damn.. ganon ba? Where's all that fuel going LOL. kaka change oil ko lang e 10w-40 Helix Hx7. Lifetime airfilter, Simota. Nag palinis na rin ng MAF.

Where should I start? spark plugs?

Did you change the oil and fuel filters? When was your last ATF change? That may be a factor. As mentioned, wheel misalignment can also cause a spike in FC too, as does low tire pressure.

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[unmarked]

Did you change the oil and fuel filters? When was your last ATF change? That may be a factor. As mentioned, wheel misalignment can also cause a spike in FC too, as does low tire pressure.

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Thanks for your replies, all of you.
only changed my engine oil and engine oil filter, not the fuel filter and ATF. from the looks of it eto ang assignments ko:

1. Wheel alignment and tire pressure.
2. Driving habits
3. ATF/Fuel filter?

During provincial/out of town holidays I have no problem reaching 13-14 km/l. Hope I can improve my City FC. Will update after checking.

[jut703]

Thanks for your replies, all of you.
only changed my engine oil and engine oil filter, not the fuel filter and ATF. from the looks of it eto ang assignments ko:

1. Wheel alignment and tire pressure.
2. Driving habits
3. ATF/Fuel filter?

During provincial/out of town holidays I have no problem reaching 13-14 km/l. Hope I can improve my City FC. Will update after checking.

It could also be your route. Ortigas to Makati, right? I get 6.5 km/L with my Altis (1.6 also but MT) on that route.

Of course, maintenance is a big factor as well. When I got my Mazda 3 (older than your Altis), it had a dismal 4.5 km/L. After changing its oil, ATF, spark plugs, fuel filter and air filter, I'm now up to an average of 5.5 km/L. Still bad, but considerably better than before.


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[unmarked]

It could also be your route. Ortigas to Makati, right? I get 6.5 km/L with my Altis (1.6 also but MT) on that route.

Of course, maintenance is a big factor as well. When I got my Mazda 3 (older than your Altis), it had a dismal 4.5 km/L. After changing its oil, ATF, spark plugs, fuel filter and air filter, I'm now up to an average of 5.5 km/L. Still bad, but considerably better than before.


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yup, this is what I keep telling myself rin sir. When I switched jobs (used to live/work in Makati) dun lang nagbago. I was checking my fuelio logs and I was consistently hitting 7, 8 or even 9 km/l back then. Now swerte nako sa 6 km/l. Wala pakong 1 year sa new route ko. Baka rin mas aggressive ako mag drive pag traffic. Anyways, before anything sundin ko muna ung steps and report back.

[jaypee10]

tire pressure also always check.

[dr. d]

lest we forget, fuel (in)efficiency in non-moving traffic, regardless of vehicle, is in the neighborhood of 0 km/li.
i now turn off my engine, in non-moving traffic.