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idle help 

 

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 Post subject: idle help
Posted: Sun Jul 20, 2008 11:21 pm 
Getting Side Ways
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Ride: ef xr6 turbo

Location: whyalla
SA, Australia

ok guys need a little help from the experts. i have what i thought to be a factory ef xr6 manual i have now read the vin and found out its actually a ef gli II auto. it has a xr motor, diff and gear box. my car has always had problems idleing (hunting and stalling). i ran the number off the ecu and and it was a gli auto one so i bought a tickford manual ecu for it. now when the idle air solenoid is plugged in it idles fine but doesnt return to idle when it is revved(it just revs up and stays there) but when the idle air solenoid is unplugged its idles sometimes. i have had it too a few mechanics and all they do is pull the throttle body off, clean it and then reset the idle but it goes back to the same thing after a few days. i have checked the resistance accross the idle air solenoid and it is within specs sane as the voltage coming from the wires to the idle air solenoid. if anyone has any suggestions i would greately appreciate it. i was very angry when i found out this car wasnt what i payed for and i just want to get rid of it

 

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there are a few falcons in my drive way, some of them are turbo charged and some arent, some have big engines and some are small but they all have one thing in common and that is the blue oval on the front

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Posted: Mon Jul 21, 2008 12:55 pm 
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Ride: NL fairlane

Location: south east suburbs
VIC, Australia

how long have you had it? which crook sold you a gli as an XR6?
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Posted: Mon Jul 21, 2008 1:52 pm 
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turn down the throttle body screw with the isc plugged in until it revs ok without hanging.

Have you removed the resistor trick on the loom after fitting manual ecu?
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Posted: Mon Jul 21, 2008 3:22 pm 
Getting Side Ways
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Ride: ef xr6 turbo

Location: whyalla
SA, Australia

it idles fine once i start it about 700 - 900 its only when i rev it it sticks it slowly goes back down after half a minute or so . so if i wind it down it will idle to low once it returns to idle(wont it). i am only a first year so i am just learning. and it was a used car place in adelaide called sothern cross car sales that i bought it from. i went back there once i found out it was a gli and the place was cleared out. i have since bought a original ef xr6 manual and have bought a turbo for it. so i need the extra cash but i cant sell my old car with it idling like a bucket of crap

 

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there are a few falcons in my drive way, some of them are turbo charged and some arent, some have big engines and some are small but they all have one thing in common and that is the blue oval on the front

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Posted: Mon Jul 21, 2008 8:19 pm 
Getting Side Ways
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Age: 29

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Gallery: 20 images

Ride: ef xr6 turbo

Location: whyalla
SA, Australia

c'mon guys need the help

 

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there are a few falcons in my drive way, some of them are turbo charged and some arent, some have big engines and some are small but they all have one thing in common and that is the blue oval on the front

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Posted: Mon Jul 21, 2008 9:38 pm 
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james88 wrote:
so if i wind it down it will idle to low once it returns to idle(wont it).


So have you tried that or not?
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Posted: Mon Jul 21, 2008 10:59 pm 
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Ride: ford falcon au3 xr8

Location: a shit suburb in sydney
NSW, Australia

here is something to try.

1st. does it idle when warm without the isc conected?
if it does unplug the isc and turn the idle screw down untill it stalls..
then plug the isc back in and see if that helps...
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Posted: Tue Jul 22, 2008 1:30 pm 
Getting Side Ways
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Age: 29

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Ride: ef xr6 turbo

Location: whyalla
SA, Australia

it idles when warm sometimes. ill give it a try tho. if i dont let it drop to idle to fast ie let it stay in gear when im slowing down until its at around 1100 it will idle ok but say if i drive to 3000rpm or higher and put my foot on the clutch the revs drop too fast and it will stall.

 

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there are a few falcons in my drive way, some of them are turbo charged and some arent, some have big engines and some are small but they all have one thing in common and that is the blue oval on the front

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 Post subject: poor idle
Posted: Tue Jul 22, 2008 8:30 pm 
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Ride: BA XR6,ED Wagon,EA Sedans,XF Ghi

Location: Brisbane
QLD, Australia

:idea: Have you tried cleaning the Idle Speed Control unit?
Sometimes it can get gummed up.
Does it run a K&N filter or similar oil coated air cleaner?

 

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Posted: Wed Jul 23, 2008 3:00 pm 
Getting Side Ways
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Ride: ef xr6 turbo

Location: whyalla
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yes i have a k and n panel filter. i tried to wind down the idle with the isc unplugged and then plugged it back in it does the same thing.(wont return to idle once it is reved. should i try a different filter? the k an n one has only been in for a year.

 

_________________

there are a few falcons in my drive way, some of them are turbo charged and some arent, some have big engines and some are small but they all have one thing in common and that is the blue oval on the front

Top
 Profile  
 
 
Posted: Wed Jul 23, 2008 3:02 pm 
Getting Side Ways
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Age: 29

Posts: 516

Joined: 27th Oct 2007

Gallery: 20 images

Ride: ef xr6 turbo

Location: whyalla
SA, Australia

about a month before i changed the computer it only used to idle like it does when it was cold so i thought it was a temperature sensor not doing its job. but then it just started to do it always then i found out about the gli problem and the gli auto computer.

 

_________________

there are a few falcons in my drive way, some of them are turbo charged and some arent, some have big engines and some are small but they all have one thing in common and that is the blue oval on the front

Top
 Profile  
 
 
Posted: Wed Jul 23, 2008 4:16 pm 
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Age: 56

Posts: 235

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Ride: BA XR6,ED Wagon,EA Sedans,XF Ghi

Location: Brisbane
QLD, Australia

james88 wrote:
yes i have a k and n panel filter. i tried to wind down the idle with the isc unplugged and then plugged it back in it does the same thing.(wont return to idle once it is reved. should i try a different filter? the k an n one has only been in for a year.


This is only my opinion ok, K&N are great filters but I think sometimes owners may over oil them. Even if oil is applied correctly your ISC will eventually need cleaning.
Its just a maintainence job that is required regardless of the type of filter used.
Personally I use a high flow non oiled filter that lasts years & is washable in my BA & EA.
There is info on this site with pics & all info on how to clean ISC, I sent it to a guy few weeks ago & not sure exactly were I found it.
Maybe someone here could help with that or go searching.
Anyhow you need to tackle this prob thru eliminating any possible causes & this is one of them.
hope it does the trick. Cheers :wink:

 

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