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Another FUEL Issue, EB with ED XR6 Engine 

 

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 Post subject: Another FUEL Issue, EB with ED XR6 Engine
Posted: Tue Sep 16, 2008 3:21 pm 
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Girlfriend has just got her EB Falcon, It had my old ED xr6 engine which had headgasket changed etc etc quite a bit on money spent in it.

Now that the engine has gone into her car shes only getting 300kms out of a tank, (used to be 400-450).
She has
-Newleads
-New plugs
-New O2
-New Air filter
-New exhaust

I honeslty don't know what it is, I've heard a story that if a car is running colder than normal all the time that is uses more fuel???

She has a thermo conversion on the car and the thermos kick in litterly every 4minutes....is this normal? and can you change the settings?
Much help appreciated
CHeers
- Ash

 

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Posted: Tue Sep 16, 2008 4:13 pm 
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Thats a bit odd, I barely ever here my thermos turn on. Maybe the cam timing is out? Does it feel a bit sluggish to what it should be?

 

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Posted: Tue Sep 16, 2008 4:31 pm 
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well the thermos coming on like that is probably a good thing.

2 things i can think of:

-is it using the ED ECU (i think it wuold have to wouldnt it)
-did you change the fuel reg/pump as xr6 pumps more fuel and creates a higher pressure

 

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Posted: Tue Sep 16, 2008 8:10 pm 
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kstevo wrote:
well the thermos coming on like that is probably a good thing.

2 things i can think of:

-is it using the ED ECU (i think it wuold have to wouldnt it)
-did you change the fuel reg/pump as xr6 pumps more fuel and creates a higher pressure


Yeh Ive heard two stories about thermos comign on...these come on ALL the time,every 4 minutes and the temp gauge is very cold.
Its still the EB Ecu, and havn't changed the fuel pump (stock eb fuel pump)
im guessing thats where hte under lying problem is?

-Ash

 

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Posted: Tue Sep 16, 2008 8:17 pm 
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so u need to adjust the thermo switch....should have a screw on it somewhere

 

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Posted: Tue Sep 16, 2008 8:53 pm 
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Fuel pump is no different.
EB ECU will learn around the XR reg as well and lean it back out (as lean as a stock 4L runs away), so not your problem.

Find the thermatic switch for the thermos and adjust it like gogetta said.

New thermostat probably wouldn't hurt either if it's not warming up at all.

 

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Posted: Tue Sep 16, 2008 9:24 pm 
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change the fuel filter..

Also has the driving pattern changed? U would be surprised what short distance drives does to your economy (e.g short 5km runs to the shops or work)
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Posted: Tue Sep 16, 2008 9:30 pm 
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Cheers guys for that, ill look for that thermo swtich and get a new thermostat...
Yeah as for the short trips its basically what i used to do and I was getting alot better Km.s....Im pretty sure shes not a heavy foot...
Ill get back to you on how i went with these

Cheers
- Ash

 

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Posted: Tue Sep 16, 2008 9:31 pm 
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car is not running rich at all?? no fuel smell? check for fumes, unburnt fuel. ect. i no its a new o2 sensor but it could be a dodgy 02 sensor or ecu something isn't telling something the truth.

 

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 Post subject: Re: Another FUEL Issue, EB with ED XR6 Engine
Posted: Wed Nov 03, 2010 5:48 pm 
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hi was just wondering did you ever end up finding out what the problem is i have done the exact same thing car, engine convert in all except the thermo fan upgrade but the fuel economy has the exact same issue, please shed some light on it for me lol

cheers
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