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Old 20-11-2006, 02:06 PM   #1
snozzau
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Default Rough Idle

Guys,
I have a very annoying problem with the idle on my XR6.
Sometimes it will idle as smooth as silk where other times it seems to rev up and
die down.
I have changed plugs & leads ,cleaned the injectors,changed the air filter,cleaned the throttle body and IAC.
Had a look at the fuel filter but it looks new.
After reading private9 post about oxygen sensors I will probably change that too but I dont think that will help my idle problems.
Ideas ???????
Scott

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Old 20-11-2006, 08:20 PM   #2
Baboon_AU
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could try the throttle postion sensor
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01 AUII XLS Regency Red Ute 4.0L Egas Auto
Mods -transcooler, tickford intake, K&N pod filter, Pacemakers, 2.5 inch exhaust, Crow Cam,

1981 XD Fairmont 351 - 351 Cleveland, ARP bolts, flat top pistons, Stage 3 Dynotec cam, ported 2V heads with 4V valves, Roller Rockers, Weiand manifold, Mighty Demon, 1/2" fuel lines with blue Holley fuel pump, Crane hi-6 ignition, B&M megashifter, C4, hi-stall, shift kit, 3.77 Ford 9" LSD.

Thanks to: EvilChief and SJW Performance
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Old 20-11-2006, 09:11 PM   #3
snozzau
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Whereabouts is it and any idea how much to replace?
Scott
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Old 20-11-2006, 09:43 PM   #4
bodes-sh
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looking at the car from the front, it sits on the side i guess of the throttle body, about 90 degrees around from the ISC valve, looking from the front, it's on the front i guess you could say...it's a black unit with a wire hanging out of it...no idea on price tho, sorry
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Old 20-11-2006, 11:06 PM   #5
wesomc
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could check for air leaks...inlet manifold gasket, etc. use some aerosol (carby cleaner is good) and spray around the gasket and see if this alters the idle
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Old 21-11-2006, 09:07 PM   #6
Baboon_AU
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carby cleaner is expesnive... just mix soap and water and use a sponge to sponge it on and if it bubbles then you know u have an air leak
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01 AUII XLS Regency Red Ute 4.0L Egas Auto
Mods -transcooler, tickford intake, K&N pod filter, Pacemakers, 2.5 inch exhaust, Crow Cam,

1981 XD Fairmont 351 - 351 Cleveland, ARP bolts, flat top pistons, Stage 3 Dynotec cam, ported 2V heads with 4V valves, Roller Rockers, Weiand manifold, Mighty Demon, 1/2" fuel lines with blue Holley fuel pump, Crane hi-6 ignition, B&M megashifter, C4, hi-stall, shift kit, 3.77 Ford 9" LSD.

Thanks to: EvilChief and SJW Performance
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Old 21-11-2006, 09:47 PM   #7
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Quote:
Originally Posted by Baboon_AU
carby cleaner is expesnive... just mix soap and water and use a sponge to sponge it on and if it bubbles then you know u have an air leak
won't bubble, it sucks in air and leans out, but i suppose it wouldn't run well on soapy water either lol! carby cleaner is cheap when work pays for it...
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Old 21-11-2006, 10:56 PM   #8
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Quote:
Originally Posted by Baboon_AU
carby cleaner is expesnive... just mix soap and water and use a sponge to sponge it on and if it bubbles then you know u have an air leak
You need a can for ISC cleaning anyway! LOL! Try that with soap and water!

GK
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Old 22-11-2006, 07:55 PM   #9
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sorry guys, i just read air leak and didn't think that it would be sucking air in...stupid me
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01 AUII XLS Regency Red Ute 4.0L Egas Auto
Mods -transcooler, tickford intake, K&N pod filter, Pacemakers, 2.5 inch exhaust, Crow Cam,

1981 XD Fairmont 351 - 351 Cleveland, ARP bolts, flat top pistons, Stage 3 Dynotec cam, ported 2V heads with 4V valves, Roller Rockers, Weiand manifold, Mighty Demon, 1/2" fuel lines with blue Holley fuel pump, Crane hi-6 ignition, B&M megashifter, C4, hi-stall, shift kit, 3.77 Ford 9" LSD.

Thanks to: EvilChief and SJW Performance
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