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EL Excess Fuel economy 

 

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 Post subject: EL Excess Fuel economy
Posted: Mon Nov 16, 2009 7:25 pm 
Oompa Loompa
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Ride: Ford Fairmont

Location: Melbourne
VIC, Australia

Hi Guys, I have an EL Fairmont with a 4 Litre and it appears to be a bit heavy on fuel, I noticed yesterday that the exhaust is a bit sooty which to me would indicate it is running rich. It is running fine apart from that.
My question is, what could be the cause or causes for this?.
Could it be the Oxygen sensor or could it be a combination of things?.
I have only got it on the road recently so I do not know its history prior.
Any help will be greatly appreciated.
Thankyou,
Dave.
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 Post subject: Re: EL Excess Fuel economy
Posted: Tue Nov 17, 2009 12:33 am 
Getting Side Ways
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replace all the vac lines and most likely the oxy.

then do an overhaul on it (leads, plugs, etc)

 

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 Post subject: Re: EL Excess Fuel economy
Posted: Tue Nov 17, 2009 12:49 am 
Getting Side Ways
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heavy right foot. :lol: when you say chewing a lot of fuel have you got a rough litr's/100?

 

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 Post subject: Re: EL Excess Fuel economy
Posted: Tue Nov 17, 2009 3:44 pm 
Getting Side Ways
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when u say replace all vac lines which ones exactly
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 Post subject: Re: EL Excess Fuel economy
Posted: Tue Nov 17, 2009 6:02 pm 
Getting Side Ways
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all of them

 

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 Post subject: Re: EL Excess Fuel economy
Posted: Wed Nov 18, 2009 12:50 am 
Getting Side Ways
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would it be better to go to fords and get them or somewhere where it wont cost as much?
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 Post subject: Re: EL Excess Fuel economy
Posted: Thu Nov 19, 2009 3:44 pm 
Getting Side Ways
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Ride: 98 EL Falcon - Last of the EL's

Location: Muswellbrook
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jamie22_cole wrote:
would it be better to go to fords and get them or somewhere where it wont cost as much?


you could if you cbf (like me lol) i have a 98 EL and i get ALL my cars work done by Ford so i have the cars history incase i want to sell it and to keep track of whats been done to it, and so the work has been done by a certified FORD who specilizes in FORDS not a backyard grease monkey.

btw, what figures are your figures when you say "heavy fuel consumption" if i do purley hway driving at around 120kph i can get 620k's to a 70ltr tank (roughly) a combination of hway/city see's that drop to around 550k's

although i did get damn near 900k's a few times by sticking to a speed of 100kph, no AC, windows up and drafting semi trailers lol

 

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 Post subject: Re: EL Excess Fuel economy
Posted: Sat Nov 21, 2009 2:40 pm 
Oompa Loompa
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Ride: Ford Fairmont

Location: Melbourne
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Thanks for the replys guys, After two tanks of fuel thru it the range is about 315-320 kms a tank city driving which seems a bit heavy to me. And its not foot to the floor driving either just normal casual acceleration.
There appears to be no noticable vacuum leaks and it runs fine.
The only thing it does is runs a bit rough on a hot start for a split second and smooths out.
What ideas do you Guys have?.
Thanks,
Dave.
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 Post subject: Re: EL Excess Fuel economy
Posted: Sat Nov 21, 2009 5:36 pm 
Getting Side Ways
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DavidA wrote:
Thanks for the replys guys, After two tanks of fuel thru it the range is about 315-320 kms a tank city driving which seems a bit heavy to me. And its not foot to the floor driving either just normal casual acceleration.
There appears to be no noticable vacuum leaks and it runs fine.
The only thing it does is runs a bit rough on a hot start for a split second and smooths out.
What ideas do you Guys have?.
Thanks,
Dave.



hmm, you should be getting about 400k's to a tank with purly city driving, one thing alot of people never check are tyre pressures, standard pressure should be around 36-38psi, but i keep mine pumped to 45psi to get the extra k's, but just be VERY carfull in the wet if you going to have them that high.

 

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 Post subject: Re: EL Excess Fuel economy
Posted: Sat Nov 21, 2009 7:09 pm 
Getting Side Ways
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common misconception, more highly inflated tyres are better in the wet (see www.autospeed.com)

 

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 Post subject: Re: EL Excess Fuel economy
Posted: Sat Nov 21, 2009 7:18 pm 
Getting Side Ways
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-GAS-MAN- wrote:
common misconception, more highly inflated tyres are better in the wet (see http://www.autospeed.com)


will have a look at that, i just know when it rains my car slides like a mutha!

 

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 Post subject: Re: EL Excess Fuel economy
Posted: Sat Nov 21, 2009 8:24 pm 
Getting Side Ways
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GTFORDMAN wrote:
jamie22_cole wrote:
would it be better to go to fords and get them or somewhere where it wont cost as much?


you could if you cbf (like me lol) i have a 98 EL and i get ALL my cars work done by Ford so i have the cars history incase i want to sell it and to keep track of whats been done to it, and so the work has been done by a certified FORD who specilizes in FORDS not a backyard grease monkey.

I used to work at ford. They are just back yard grease monkey's in ford uniform in a cage labelled 'ford'. They also pay banana's....lol
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 Post subject: Re: EL Excess Fuel economy
Posted: Sat Nov 21, 2009 8:32 pm 
Getting Side Ways
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Ride: 98 EL Falcon - Last of the EL's

Location: Muswellbrook
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eboost wrote:
GTFORDMAN wrote:
jamie22_cole wrote:
would it be better to go to fords and get them or somewhere where it wont cost as much?


you could if you cbf (like me lol) i have a 98 EL and i get ALL my cars work done by Ford so i have the cars history incase i want to sell it and to keep track of whats been done to it, and so the work has been done by a certified FORD who specilizes in FORDS not a backyard grease monkey.

I used to work at ford. They are just back yard grease monkey's in ford uniform in a cage labelled 'ford'. They also pay banana's....lol


LOL, well ive never had a problem. 8-)

 

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 Post subject: Re: EL Excess Fuel economy
Posted: Sat Nov 28, 2009 11:49 pm 
Getting Side Ways
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I would definatly change oxygen sensor. It made a 15% reduction in consumption for me. A good tune and maybe new plugs/leads.
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 Post subject: Re: EL Excess Fuel economy
Posted: Sun Nov 29, 2009 1:38 pm 
Getting Side Ways
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GTFORDMAN wrote:
-GAS-MAN- wrote:
common misconception, more highly inflated tyres are better in the wet (see http://www.autospeed.com)


will have a look at that, i just know when it rains my car slides like a mutha!

Well your tyres are f**k then, its true that tyres with higher pressure are better in the wet.

Traction, as referred to, is directly correlated with the weight on the tyre itself, that is the cars weight.
Of course a softer compound tyre will make a difference, also a larger outer diameter tyre allows you to run a softer tyre compound with similar wear trends as a firmer one as the percentage of tyre not in contact with the road : tyre that is in contact with the road (flexing, deformation), is higher.

This ratio just means that the tyre has more time to cool before it comes in contact with the road and its deformed again.

:)

 

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