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Giving up hope on EB 

 

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 Post subject: Giving up hope on EB
Posted: Tue Sep 16, 2008 7:47 pm 
Tyre Shredder
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Ride: ED, EB11, 351 XF

Location: christchurch
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My 1992 EB has been running s**t ever since i did a motor and tranny swap was 4.0l aout now 3.9l manual
Car runs so rich you can smell worse than a whores cheap perfume and uses a tonne of gas
the car runs alright most of the time when under load but at low revs and idling it fowls the plugs often causing it to miss and back fire
:x sometimes when you start the car it idles real when but after a while when the plugs begin to fowl it turns to sh#t. some times it wont start at all untill i clean the plugs or if it duz its only on a few cylndas
im running a 4.0l ecu
4.0l intake
My exhurst it a home job single coby and finishes half way under the car i am looking at buying a Rage Cat Back system
Have just bought a set of SVO side skirts 8-)
Have a gt front bar

realy p****d off
Starting to give up because i carnt get it :evil: to run right
Goes well flowreing it 160+ never gets hot
this it not my first post on the prpblem
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Posted: Tue Sep 16, 2008 8:09 pm 
Smokin em up
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could be a number of things - ecu, fuel pump...

just out of curiousity, why would you revert a 4.0 back to a 3.9?

after re-reading your post - definatly the ECU, definatly.

I would personally go put the 4.0l back in.

 

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Posted: Tue Sep 16, 2008 8:12 pm 
Getting Side Ways
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check that the MAP sensor hose is in. adding to that check all your vacuum hoses.

 

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Posted: Tue Sep 16, 2008 8:15 pm 
Getting Side Ways
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it's not the ECU. or the fuel pump.

more likely to something simple like a split MAP sensor hose. posibly a split feul pressure reg line or a faulty reg.

the other thing i'd be checking is how strong the spark is. A weak ignition can cause the same effect as an over rich mixture.

 

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Posted: Tue Sep 16, 2008 9:22 pm 
Getting Side Ways
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Ride: fg xr6t manual, xe 351 ute

Location: penrith, sydney
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probably a stupid suggestion but have you checked the air / fuel mixture on the gas system, it may have been altered unknowingly when the engine swap happened, otherwise check to see if the condensor (i think thats whats it called) is freezing over. If this is happening it can cause all sorts of problems.

It may be worth your while posting this thread in the lpg section.


BTW i am assuming its on gas unless you meant by "using heaps of gas" it uses heaps of fuel

 

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Posted: Tue Sep 16, 2008 9:54 pm 
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If you are having overfuelling problems, what about the O2 sensor, could a problem with that create overfuelling?

 

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Posted: Tue Sep 16, 2008 10:00 pm 
Getting Side Ways
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i doubt a stuffed 02 sensor would cause that much overfuelling that it runs like a pig.

mums ED had a rooted one once, still ran fine, just a bit rich.

 

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Posted: Wed Sep 17, 2008 7:02 am 
Tyre Shredder
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Ride: ED, EB11, 351 XF

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where is the oxygen senser is it on the extractors?
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Posted: Wed Sep 17, 2008 7:04 am 
Tyre Shredder
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the 4.0l had done 500000kms and im pretty sure it had a blowen head gasket
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Posted: Wed Sep 17, 2008 10:52 pm 
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oi are you sure you are using the correct ecu maybe it doesnt like running the auto ecu with the manual or maybe

 

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Posted: Thu Sep 18, 2008 5:49 pm 
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Ride: ED, EB11, 351 XF

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OK So i bought a Rage 63mm Cat Back Xhurst to go whith the extractors system fitted it
Took the throttle body apart and Cleaned So i could see my sefl in it ( it was all black from back firing through it)
Cleaned the plugs for the 10th time
Dissconnected the battery waited 1/2 hour pumped the brake swaped the Computer over witch i had done befor but this time it decided to run perfect And i mean sweet no problems at all so after many months stuffing around after i done the transplat it all good
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