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Renamed: High RPM, Lean Misfire Problem 

 

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Posted: Fri Sep 02, 2005 7:40 pm 
Getting Side Ways
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Location: Melbourne
VIC, Australia

hey guys i found out wot i think is the prob, (lean misfire) my injector number 6 is leaking fuel and the injector it self is all covered in fuel...its leaking fuel onto the air intake manifold on pipe number 6 and the actuall injector is crusty with fuel...this is most likely the cause? wot can be the prob? its obviously a air leak? possibly the o ring stuffed or something? ill have to get em checked out



- Grechie

 

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Posted: Sat Sep 03, 2005 3:09 pm 
Getting Side Ways
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Ride: 98 XH XR6

Location: Diamond creek
VIC, Australia

that would prob be the prob i got mine cleaned and everything (o-rings ect) replaced for $90 an injector but good work mate. My battle still wages on

 

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4.0ltr 1998 XH XR6 - 2 JVC 4way 6X9's - 2 JVC 4way 4" in doors - JVC head unit - AU XR8 intake snorkel


Paceys, hi flow cat and many more still to come

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Posted: Sun Sep 04, 2005 4:28 pm 
Getting Side Ways
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Location: Melbourne
VIC, Australia

hey replaced injector, still does it , but not as bad...?

I WANNA NO THE DAMN PROBLEM lol :(

- Grechie

 

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Posted: Sun Sep 04, 2005 4:55 pm 
Getting Side Ways
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Ride: BF MKII Ghia

dunno if this help my old ebII started doing something like that all i could get out of her was about 150 flat, but i could rev it out in first well nealry all th way the top end strated having trouble then in every gear after it was hoples and it shuddered when holding it flat and my fuel consumtion went up and i booked it in and my cat had caved it and was blocking the path throhg the zorst nocked it out wam no problem did off the clock again!!!!


may help?????
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Posted: Mon Sep 05, 2005 3:36 pm 
Getting Side Ways
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Age: 31

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Ride: 98 XH XR6

Location: Diamond creek
VIC, Australia

ive alread changed my cat dsheps83 it wasn't caved in just blocked to the s**t house

 

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ONE FOR RUM AND RUM FOR ALL

4.0ltr 1998 XH XR6 - 2 JVC 4way 6X9's - 2 JVC 4way 4" in doors - JVC head unit - AU XR8 intake snorkel


Paceys, hi flow cat and many more still to come

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Posted: Mon Sep 05, 2005 4:48 pm 
Getting Side Ways
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Age: 31

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Location: Melbourne
VIC, Australia

yeh i have recently also got a high flow cat didnt fix it :(


EDIT: i notice backfire coming from the exhuast wen the windows down ?

 

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13.797 @ 157.16km/h (Limiter Bounce)

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Posted: Mon Sep 05, 2005 10:03 pm 
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Joined: 29th Nov 2004

Ride: Falcon AUII S

Location: Adelaide
SA, Australia

Hi guys,

Try replacing the throttle position sensor and check the crank angle sensor connector, it may have some moisture in it.
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Posted: Mon Sep 05, 2005 11:35 pm 
Getting Side Ways
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Ride: 98 XH XR6

Location: Diamond creek
VIC, Australia

where are both these sensors??

 

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ONE FOR RUM AND RUM FOR ALL

4.0ltr 1998 XH XR6 - 2 JVC 4way 6X9's - 2 JVC 4way 4" in doors - JVC head unit - AU XR8 intake snorkel


Paceys, hi flow cat and many more still to come

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Posted: Tue Sep 06, 2005 10:19 pm 
Getting Side Ways
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Ride: 1994 ED Ricer

Location: Perth
WA, Australia

dsheps83 wrote:
dunno if this help my old ebII started doing something like that all i could get out of her was about 150 flat, but i could rev it out in first well nealry all th way the top end strated having trouble then in every gear after it was hoples and it shuddered when holding it flat and my fuel consumtion went up and i booked it in and my cat had caved it and was blocking the path throhg the zorst nocked it out wam no problem did off the clock again!!!!


may help?????


sounds interesting... how much is a new cat? hi flow? and can u test ur old cat to see if its f**k? i dont want to replace it for nothing.....
ta :D
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Posted: Sun Sep 11, 2005 10:37 pm 
Getting Side Ways
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Location: Melbourne
VIC, Australia

hey i left it in 1st the other day and drove round in a striaght line slowly accelerating, then i booted it after about 30 seconds in 1st gear and it did it, so it must be a overfueling or something problem!??

 

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Posted: Sun Sep 11, 2005 10:59 pm 
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Location: melbourne
VIC, Australia

I have the same problem with the AU VCT mtr. If I leave it in to change its self it does not do it but some performance is lost because it won't rev up enough . Holding the gears to change manually if shakes & drops of in power as I move the shifter between 1st, 2nd & 3rd then powers up again
I've had the auto serviced & it is OK. So I would say the cutout on the ECU would be the problem. It probley could be fixed it some type of chip.

ghiaman
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Posted: Mon Sep 12, 2005 2:43 am 
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Location: Perth
WA, Australia

my cars doing the same thing, xpt i cant drive it. from head gasket change it ran fine for a day now idles but if ya rev it up it chokes and dies in the a**. if you increase revs slowly it can go all the way is not under a load.

its missing like a bastard

ive checked valve timing, dizzy timing, new leads, map sensor, fuel pump etc but no change! and 3 weeks off the road is s**t me!

fuk i hate cars!

 

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Posted: Wed Sep 21, 2005 3:40 am 
Getting Side Ways
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Age: 31

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Location: Melbourne
VIC, Australia

so its possily the ecu??

i remember someone also sed theres a pressure or air leak somewere...could that cause the misfire?

 

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Posted: Wed Sep 21, 2005 9:51 pm 
Getting Side Ways
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Location: Melbourne
VIC, Australia

this problem i think will forever haunt me till i get a new car...

 

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Posted: Wed Sep 21, 2005 10:42 pm 
Getting Side Ways
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Location: S.E. Melbourne
VIC, Australia

For the sake of spending any more money on it why not take it to a dyno and check out air/fuel. Even if it doesn't show anything you will have at least eliminated the fuel system.

 

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