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post #1 of 10 (permalink) Old 09-03-02, 03:34 AM Thread Starter
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Question Hi fuel consumption

Having had the car for about a week i have noticed that it is using about 17-18L per 100ks. This is with about 1/3 highway, 2/3 city, and only the occasional heavy right foot I know this is high, but what are the likely courses of this? and the cost to fix it?

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post #2 of 10 (permalink) Old 09-03-02, 04:19 AM
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what model car? auto of manual? 6 or 8?

all these factors will affect fuel economy, and also you ahould get a new air filter, plugs and leads, check base timing, also check for a blocked exhaust, and then see how it goes, i get about 11L per 100ks driving nicely in my manual 6 cyl EB XR...but thats nicely, it goes down a LOT when i stick it :(

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post #3 of 10 (permalink) Old 09-03-02, 04:36 AM Thread Starter
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doh, sorry about forgetting the important stuff. It is a 1992 Falcon EB2 GLi, 4L I6, A4 etc. I thought it is just running very rich, what would cause that?
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post #4 of 10 (permalink) Old 09-03-02, 08:44 PM
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yea that is really rich, i get about 400k around town, and 650k on the open road, i have changed plugs leads and pod air filter, it all helps, ohh yea and there is that HEAVY RIGHT FOOT! lol

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post #5 of 10 (permalink) Old 09-04-02, 12:28 AM Thread Starter
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the air filter is almost new, haven't checked the plugs but i will look at them tomorrow. could the O2 sensor be playing up?

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post #6 of 10 (permalink) Old 09-04-02, 01:14 AM
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For what it's worth, when I had this problem it was due to a faulty thermostat.

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post #7 of 10 (permalink) Old 09-04-02, 04:26 AM
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i had this problem when the fuesable links were fried
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post #8 of 10 (permalink) Old 09-04-02, 04:21 PM
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The easiest way to identify why it's running rich is by doing an ECU diagnostic... if you can't do this yourself, many reputable mechanics can.

If that doesn't show any errors, it could still be thermostat, oxy sensor, temp sensor...



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post #9 of 10 (permalink) Old 09-04-02, 06:18 PM
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I had this problem with a blocked cat
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post #10 of 10 (permalink) Old 09-05-02, 04:30 PM
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I'm getting 12.1L/100km in city with some long 80km cruises. Gives me about 535km on full tank.

I have worn plugs, leads, filter (fuel and air) and stuffed centre muffler.

I wonder how much lower it will go when I get it all fixed...

Thats grandpa driving though with the occasional full taps to 100kmh sprint.
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