Jed D
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Registered: 15th Mar 11
Location: Durham
User status: Offline
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my engine was a veccy sri x25xe but changed to g cams and C25xe set up. kept the blue injectors, changed various sensors including water temp sensor, but for some reason its still over fuelling a bit, anything we havent thought of to check?
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bigron1988
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Registered: 29th Aug 09
Location: Southport, Merseyside
User status: Offline
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Not asked David d , he's the man in the know with v6s
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Jed D
Member
Registered: 15th Mar 11
Location: Durham
User status: Offline
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he said to do the coolant temp senor to me the other day, iv done that, but havent seen him today. just wondered if anyone else had any suggestions to try?
i shouldent need to downgrade on ijectors surly?
would the fact iv had the fuel pump on a constant live to fire it up cause it to run rich?
...or could it be lambda issue?
[Edited on 09-10-2012 by Jed D]
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Jed D
Member
Registered: 15th Mar 11
Location: Durham
User status: Offline
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fuel pump wiring done properly
coolant temp sensor done
tried 2 afms
downgraded on injectors...
ran out of ideas and practically ran out of petrol 
£20 of v.power and its not even been out yet 
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Darryl H
Organiser: South Central
Premium Member
Registered: 19th Nov 09
Location: Camberley Drives: Porsche 944
User status: Offline
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Is the AFM adjustable? I'm guessing not?
Have you changed the Lambda?
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Nic Barnes
Member
Registered: 5th Apr 04
Location: nowhere near ginger people
User status: Offline
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have you changed the fuel pressure to match the larger injectors? for example 350cc injectors at 3bar will put less fuel in than 450cc injectors at 3bar
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Jed D
Member
Registered: 15th Mar 11
Location: Durham
User status: Offline
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quote:
Originally posted by Darryl H
Is the AFM adjustable? I'm guessing not?
Have you changed the Lambda?
afm arent adjustable on them although i tried the one from the white nova today and still no joy. 4th AFM its had 
and yes tried lambda twice mate
quote:
Originally posted by Nic Barnes
have you changed the fuel pressure to match the larger injectors? for example 350cc injectors at 3bar will put less fuel in than 450cc injectors at 3bar
its not on the adjustable reg yet, you can get 3.0 bar and 3.8, its been on the 3.0 bar both with blue (high flow) and black (lower flow) injectors
other things checked are:
AFM
coolant temp sensor
crank/knock sensor
cam sensor
timing
compression test
earths
both black and blue injectors
inlet area's for air leaks...
one wierd thing i must add though when i unplug the ICV (when running) it makes no difference however if you crimp the rubber pipe going into it it does so obv not the valve thing stuck open
...same with a few other sensors, ticks over just the same without them being plugged in
its a fucking mystery thats got us all stumped
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Jed D
Member
Registered: 15th Mar 11
Location: Durham
User status: Offline
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... the air temp sensor had a snapped wire though, fixed that and its ticks over alot smoother but still over fuels/spits flames/black smoke
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Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
User status: Offline
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Timing right?
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Jed D
Member
Registered: 15th Mar 11
Location: Durham
User status: Offline
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quote:
Originally posted by Nic Barnes
Timing right?
yup checked that, its spot on 
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Jed D
Member
Registered: 15th Mar 11
Location: Durham
User status: Offline
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any other idea's peeps?
only thing i can think of to check is another corsa loom
i went a bit trigger happy when removing the indicators, wipers, centre console....
i cut out the wires 
iv since them traced all them earths out and put them onto one big earth but its still not rite
still cant understand why it still runs ok when the ICV is unplugged, must be because its the same as an XE one
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Nic Barnes
Member
Registered: 5th Apr 04
Location: nowhere near ginger people
User status: Offline
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Engine look is seperate from car loom though?
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Jed D
Member
Registered: 15th Mar 11
Location: Durham
User status: Offline
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aye, only thing i can think of trying is another car loom. the engine loom i had was a bit tatty and for some reason wouldn't fire all 6 even after trying plugs, leads and c.pack. the loom i have on is borrowed from a V6 nova.
is there not an earth on the steering column somewhere??
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