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20-09-2012, 12:18 PM
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#1 | ||
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Regular Member
Join Date: Mar 2007
Posts: 83
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Hi all
Have an AUII 200kw XR8 auto on dual fuel. Just last week I was thinking how beautifully smooth its idle was, particularly on gas. But now.... Heres my issue.
So the problem seems to have started after running low on gas and a possible backfire (or other one-off noise under the bonnet), but now effects petrol and gas. Have just spent a couple hours searching so I know all the things it could be, but I just want to know the order I could check things in as I don't want to go buying new sensors if they're not the issue. I also have an AU3 220 I could change out parts / sensors with if necessary. Any ideas? Thanks for any suggestions. Mark Last edited by markxr6t; 20-09-2012 at 12:42 PM. |
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20-09-2012, 03:25 PM
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#2 | ||
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Regular Member
Join Date: Apr 2008
Posts: 379
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If there was a backfire there would definitely be a vacuum leak somewhere. I would check the gas mixer for any leaks also the rubber hose going from the gas mixer to the throttle body and any other hoses connected to the gas mixer.
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24-09-2012, 04:18 PM
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#3 | |||
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Regular Member
Join Date: Mar 2007
Posts: 83
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Quote:
 Good on ya!
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20-09-2012, 10:53 PM
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#4 | ||
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Got Ghia?
Join Date: Jul 2006
Location: Perth
Posts: 999
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Any major missing when cold? if so join the club...
http://www.fordforums.com.au/showthread.php?t=11366152
__________________
2007 BF MKII Ghia V8 - BA GT Exhaust| F6 Intake | Superlows | 19" GT-P's | 30mm Swaybar | - Sold  2002 AU2 XR8 Ute - Manual | Leather | Injected LPG | Pacemakers |
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24-09-2012, 04:16 PM
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#5 | ||
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Regular Member
Join Date: Mar 2007
Posts: 83
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Problem solved! It was a vacuum leak - a small rubber pipe hooking into a plastic elbow directly behind the engine - part of the lpg setup I think. Plugged it back in and now she idles like a Lexus again (well, not quite but good enough)
My Manual Series III 220 misses on acceleration and farts and kicks when cold but once it warms up its fine. I can live with that. |
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AU II XR8 Rough Idle Troubleshooting
Hybrid Mode