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EL drinking too much petrol 

 

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Posted: Sat Apr 22, 2006 2:29 am 
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Big metal cannister - the fuel filter

Injectors May need a clean, Your bbm you might need to pull apart and clean.

Couple of other things to add to the list!

 

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 Post subject: re bad fuel ecom
Posted: Sat Apr 22, 2006 10:52 am 
Getting Side Ways
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i get 8.2/100ks out of my el auto ijust put trip computer in i get around 800ks to a tank
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Posted: Sat Apr 22, 2006 1:37 pm 
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800 2 a tank how on earth r u managing that?

 

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Posted: Sat Apr 22, 2006 2:23 pm 
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my fuel alarm on ym ef mont goes off after about 360km of driving. thats about 100km freeway and 260 city/suburbs kinda

so yeh, im pretty p****d bout my economy. trip computer reports 17L/100 atm

mate in his CV6 03 monaro thrashs it everywhere and has done mods from 171rwhp stock to 240rwhp modded and he gets about 14L/100km

 

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Posted: Sat Apr 22, 2006 6:33 pm 
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jdas wrote:
800 2 a tank how on earth r u managing that?


Must be refering to his best highway driving. Not uncommon to get 800+ out of a tank.

 

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 Post subject: Re: EL drinking too much petrol
Posted: Sat Apr 22, 2006 6:38 pm 
Getting Side Ways
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phongus wrote:

btw i have a hissing sound sometimes coming from behind the glove box/dashboard area but i dunno what it is? would that cause a problem?
~
sounds like a vacum leak at the blend door motor.

 

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 Post subject: Re: re bad fuel ecom
Posted: Sun Apr 23, 2006 3:33 pm 
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bazz wrote:
i get 8.2/100ks out of my el auto ijust put trip computer in i get around 800ks to a tank


Obviously not a V8?

My Fairmont V8 gets about 12.2L / 100km... and thats with a bit of a boot every now and then... but generally about 550 - 600 out of a tank.

EF - EL Fuel Tanks are 68L.

 

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Posted: Mon Apr 24, 2006 6:48 pm 
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Neo_nick wrote:
Big metal cannister - the fuel filter

Injectors May need a clean, Your bbm you might need to pull apart and clean.

Couple of other things to add to the list!


i thought injectors might need a little cleaning so i bought some of those injector cleaners but havent actually put much in. whats a bbm :oops: im new to the EL so i dunno what difference there is between EL and EA besides power =D

phong =P~

 

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Posted: Mon Apr 24, 2006 11:44 pm 
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how would oil in your intake manifold hurt economy?

 

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 Post subject: Re: EL drinking too much petrol
Posted: Tue Apr 25, 2006 1:43 am 
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noisuf wrote:
phongus wrote:

btw i have a hissing sound sometimes coming from behind the glove box/dashboard area but i dunno what it is? would that cause a problem?
~
sounds like a vacum leak at the blend door motor.


i took the glove box out and looked for something that might look like a hose but i cant find it......do i have to take the dash out to see it and reconnect it? btw would this hose affect economy?

phong =P~

 

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phongus = Post whore 2006
EL XR6 motor, EL ECU + J3 chip, WADE 1673 Camshaft, 3" S/S intake, Pacy 4480, 2.5" Hi flow cat, 2.5" Lukey exhaust.
Max Power = 144.6 rwkw (03/05/2008)

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Posted: Tue Apr 25, 2006 1:18 pm 
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this is my guess on the matter:

any vacuum leak will cause bad idle and poor economy. you intake manifold supplies vacuum to your dash so that it can operate all the flaps, etc so if you have a vacuum leak in your dash then your engine obviously does too which bends your economy over and thrusts!

rather than taking your dash out (fairly big job) for a problem that might not even be there, you could simply disconnect the from the manifold that supplies vacuum to the dash (its a small green one on my EB2) and cover the hole in the manifold with something (like put another hose on there and cover the end with your finger or a screw and hoseclamp). this will eliminate the possibility of a vacuum leak in your dash so drive your car like this for a while and see if the problem is fixed, if it is then you've got a dash to pull out, if it isn't have fun finding where the problem is :(

note: you wont be able to operate any of the vacuum devices in your dash so make sure you have your air coming out where you want (windscreen, face, etc) coz u cant change it until you reconnect the hose.

 

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Posted: Tue Apr 25, 2006 8:48 pm 
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Slabz wrote:
this is my guess on the matter:

any vacuum leak will cause bad idle and poor economy. you intake manifold supplies vacuum to your dash so that it can operate all the flaps, etc so if you have a vacuum leak in your dash then your engine obviously does too which bends your economy over and thrusts!

rather than taking your dash out (fairly big job) for a problem that might not even be there, you could simply disconnect the from the manifold that supplies vacuum to the dash (its a small green one on my EB2) and cover the hole in the manifold with something (like put another hose on there and cover the end with your finger or a screw and hoseclamp). this will eliminate the possibility of a vacuum leak in your dash so drive your car like this for a while and see if the problem is fixed, if it is then you've got a dash to pull out, if it isn't have fun finding where the problem is :(

note: you wont be able to operate any of the vacuum devices in your dash so make sure you have your air coming out where you want (windscreen, face, etc) coz u cant change it until you reconnect the hose.


thanks for all that might give that a shot. but firstly if the hose is loose behind the dash doesnt that mean i cant operate the flaps either way? that means that the climate control wont change where the air flows when i push the mode button.....but it still operates as normal. i dun mind pulling the dash out might as well so i can check some other stuff. thanks for the tip and ill give it a shot cheers

phong =P~

 

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EL XR6 motor, EL ECU + J3 chip, WADE 1673 Camshaft, 3" S/S intake, Pacy 4480, 2.5" Hi flow cat, 2.5" Lukey exhaust.
Max Power = 144.6 rwkw (03/05/2008)

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Posted: Tue Apr 25, 2006 9:57 pm 
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Hi these are all good ideas but have you checked the fuel pressure reg.. Just remove the the return line and see if any fuel comes out.......
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Posted: Wed Apr 26, 2006 1:35 am 
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xygthoph3 wrote:
Hi these are all good ideas but have you checked the fuel pressure reg.. Just remove the the return line and see if any fuel comes out.......


yeah the gregories book suggested to check the return line but i wasnt sure how to :oops: so i guess i just unplug the return line from where the fuel pump is and see if any fuel comes out of it? will the pressure be high cause i dun want petrol in my face the second time. can i just get a tin can and hold it and the petrol will just slowly leak in?

phong =P~

 

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phongus = Post whore 2006
EL XR6 motor, EL ECU + J3 chip, WADE 1673 Camshaft, 3" S/S intake, Pacy 4480, 2.5" Hi flow cat, 2.5" Lukey exhaust.
Max Power = 144.6 rwkw (03/05/2008)

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Posted: Wed Apr 26, 2006 1:42 am 
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phongus wrote:

if the hose is loose behind the dash doesnt that mean i cant operate the flaps either way?


the hose might not be completely rooted in which case the flaps might still work but still allow a vacuum leak..

 

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To Come: Hydraulic Handbrake | Coilover Springs | Fuel Pump | Microtech MT8 | 455cc Injectors

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