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02-02-2008, 09:06 PM
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#1 | ||
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Banned
Join Date: Feb 2006
Location: Castlemaine, Central Vic
Posts: 264
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Hi
Our au wagon will sometimes not rev behond 2k when on gas, its fine on petrol. Its an AU1 factory duel fuel. Any ideas? |
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03-02-2008, 06:00 PM
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#2 | ||
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Miami Pilot
 
Join Date: Jan 2005
Location: ACT
Posts: 21,703
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Mixture too lean? Blocked Cat? Collapsed muffler? Converter tarred up? There's 4 ideas, no way I could know which one is right, but perhaps the mixture and converter issues can be sorted out/diagnosed (by a mechanic) more quickly then the exhaust ones.
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The Hammer: FG GTE | 376rwkw | 1/4 mile 11.793 @ 119.75mph 1.733 60' (4408lb) 1 of 60 FG MK1 335 GTEs (1 of 118 FG Mk 1 & 2 335 GTEs). Mods: Tune, HSD/ShockWorks, black GT335 19” staggered replicas with 245 & 275/35/19 Michelin Pilot sport 5s Daily: BF2 Fairmont Ghia I6 ZF, machine face GT335 19” staggered Replicas with 245s and 275s, Bilsteins & Kings FPV 335 build stats: <click here> Ford Performance Club ACT |
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03-02-2008, 06:24 PM
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justa6
Join Date: Jun 2005
Posts: 664
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i would of straight away said cat, but then he says its fine on petrol. so you would think it has to be gas related
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03-02-2008, 07:30 PM
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FF.Com.Au Hardcore
Join Date: Aug 2006
Location: Salamander Bay
Posts: 5,427
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there is a filter in the gas and if it is blocked it will limit reves just like on petrol
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03-02-2008, 09:41 PM
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FF.Com.Au Hardcore
Join Date: Jan 2005
Posts: 1,463
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The stepper motor which controls how much gas entering the mixer ring is possibly seized in an almost closed position. Remove it, force it open then refit but don't plug it in, then take it for a run.
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09-02-2008, 08:45 AM
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#6 | ||
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Starter Motor
Join Date: Jan 2008
Posts: 10
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blocked filter in converter
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17-02-2008, 11:41 PM
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#7 | |||
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Regular Member
Join Date: Apr 2005
Location: Bunbury WA
Posts: 464
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Quote:
I notice you said "sometimes" which is exactly what mine does. I've got a lpg vapour injection setup rather than mixer ring though so its not exactly the same setup... Its done it maybe five or six times in the few months - always began within a few minutes of first startup in the morning and usually goes away after a couple of minutes or after slowing down or stopping and starting up again. once it did it for about 50km of highway driving until i went through a town and then was fine. just have to keep very gently on the throttle and keep it below 2000rpm. too much throttle and it would just choke and nearly stall. I suspect the converter getting gummy (although its only a few months old) but if you find a proper diagnosis i'd be interested to hear it. |
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18-02-2008, 10:24 AM
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#8 | ||
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Formally Kia Chaser
Join Date: May 2005
Location: Newcastle
Posts: 2,493
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Sounds like it may be stuck in limp home mode everytime it gets switched on gas...
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Kia Grand Carnival (2006) Silver, Grill Mesh, Tints, Sidesteps (with lights), Towbar, 7" Touch Screen DVD Tuner with intergrated GPS & Bluetooth, Roof Mounted Flip Down 15.1" LCD Screen, Reverse Camera - 184Kw HSV Clubsport R8 VY (2003) Black, 6sp Manual, Coulson Seats, Red on black interior, Pacemaker extractors, Twin 2.5" exhaust, Custom Red 20" VE GTS Rims, Custom Red Stitching
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18-02-2008, 02:07 PM
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#9 | ||
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Banned
Join Date: Feb 2006
Location: Castlemaine, Central Vic
Posts: 264
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It only started doing it after it had a hard time starting on gas.
It has not been driven for a while, taking it to a specialist soon... |
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AU wont rev past 2,000rpm
Linear Mode
