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12-07-2009, 07:01 PM
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#1 | ||
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Regular Member
Join Date: Jul 2009
Posts: 83
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i have a prob with my lpg...
its a 5.0L and sometimes it backfires and blows a vacume hose out from behind the manifold causing it to run very rough (like its got a cam)the other end of the vacume goes into the passenger side front guard so i cant c where the problem is comming from. it recently backfired and the hose blew off but i reconnected it and it is still running rough, im stumped on wat it could be, its only running rough on idle when you put your foot on the pedal it seems to be ok. for a while the gas completly stopted working while i was driving it just splutterd and then cut out, so ran it on fuel for a while then ran gas about a week ago its now working but its still rough on idle. can any one help me im gettin sick of it and i want the problem gone... |
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12-07-2009, 07:09 PM
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#2 | ||
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FF.Com.Au Hardcore
Join Date: May 2007
Location: Perth
Posts: 585
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Try posting in the LPG section. The guys there no there stuff.
Good luck.
__________________
Current: Built R32 GTR 520Hp ATW AU3 Fairmont I6 Whiteline swaybars, FPV Typhoon Rims, Superlows, Custom Intake Piping, Modified BA XR8 Airbox, Big Stereo Past: 2001 AU2 XR8 220 Manual 1/4 Mile: 13.8 @ 100MPH (161km/h) Ford Falcon AU2 V8 Auto 1/4 Mile: 13.0 @ 107MPH (172km/h) |
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12-07-2009, 07:22 PM
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#3 | ||
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FF.Com.Au Hardcore
Join Date: Dec 2004
Location: ACT
Posts: 4,028
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If it is backfiring, I'd be looking at the spark; Plugs, leads and if still a problem, then coilpack.
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12-07-2009, 07:39 PM
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#4 | |||
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Miami Pilot
 
Join Date: Jan 2005
Location: ACT
Posts: 21,703
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Quote:
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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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12-07-2009, 08:59 PM
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#5 | ||
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Boost Addict
Join Date: Jan 2005
Location: North Brisbane
Posts: 1,151
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also check for damage of the afm, backfires can damage them
__________________
N12 Pulsar - sold Gen1 Liberty Turbo - sold VP Commodore Turbo - sold LN65 Hilux Turbo - sold EL31 Corolla Turbo - sold Ford AU Ute Turbo - sold Ford AU XR8 Sedan - 5.4l V8 Turbo (in the build) Ford BA XR6T Ute - daily driver Ford FG XR6T Sedan - cruiser do you see a general trend? I DO  Can't live with it, can't live without it! |
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13-07-2009, 08:15 PM
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#6 | ||
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FF.Com.Au Hardcore
Join Date: May 2006
Location: Perth, South
Posts: 3,064
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all of the above, and, depending on what converter it has on it, if it's an omvl, make sure the bung hasn't been blown off the unused port on the converter. have seen this happen before, and same problem...
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14-07-2009, 09:41 PM
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#7 | ||
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Regular Member
Join Date: Jul 2009
Posts: 83
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wats an afm? and where is it situated? it dual fuel and it runs fine on fuel but if i use the gas for a period of time the computer adjusts to it then switch it bak to petrol and it idles at about 800 to 850 rpm like its starving when its on gas or something, thanks for the help by the way ill do the things yous said then get back to yous
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v8 lpg problem can ne one help
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