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Location:
Hawthorn, Vic
Registered:
March 2005
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Random Idle
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Thu, 18 August 2005 23:11
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HI Guys,
I have an ae82 rolla with a 4ac around 310,000k
Got a weird problem that decided to surface last night.
Driving home from work, doing down a side road, slowing to an intersection, and the engine just dies.
Weird, restart, continue driving.
I pull up to the lights, and notice the car running like shit.
I shift into N,and notice the idle is around 600 rpm!
Normal idle i had at about 1200 or so.
I get the car home and tweak with the idle adjustment to get it to idle back to 1200.
With it back to 1200, i rev it up and it decides to now idle at 2000.
Take it for a drive, and the engine is VERY stuttery, running very unsmooth and randomly idleing from 700 - 2000 and not really behaving correctly.
Ive recently replaced the entire ingnition system
Distrib ~ 10000k
Leads, Plugs, Coil ~ 1000k
Im thinking the carbie might have some issues... but no idea.
ALso thought it could be a vacumn leak as when on the brakes i can feel weird vibrations, possibly indicating a vacumn leak, or that my POS is on its last legs 
Anyone experience the same problems or have any ideas as what it could be.
Getting very fed up with my car atm, seriously thinking of ditching it in favour of another DD...
Anyone got a cheap reliable 2-3k car?
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Location:
Coffs Harbour, NSW
Registered:
November 2004
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Re: Random Idle
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Fri, 19 August 2005 01:04
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my ae82 4age has been idling up to 2000, and down to 800 lately. i just had another engine installed as the old one seized, and im getting the oxygen sensor replaced today (from my old engine), which is causing the check engine light to come on sometimes, and it's running pretty crap too
ill get back to you when i get it back this afternoon
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Location:
Hawthorn, Vic
Registered:
March 2005
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Re: Random Idle
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Fri, 19 August 2005 02:03
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talking with a few poeple its seems that its most likly either my fuel filter, which i hav never changed, meaning it could be over 100000k's(  ) ... so ill get a new one of those, or more likly, that the carby is in need of a good clean.
if i can be bothered, ill rip it apart this weekend and give the carby a clean and maybe whateva else i can find.
fuel filter ill assume is an easy procedure. i havnt looked, but ill assume they are befour the fuel pump, so are fairly simple to exchange.
as for the vibrations in the brake pedal.... i might do a fliud bleeding... but not really that converning atm.
ill post how i go
cheers
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Location:
Coffs Harbour, NSW
Registered:
November 2004
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Re: Random Idle
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Fri, 19 August 2005 08:12
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just got my car back (dont ask  )
it's idling fine atm, around 1200rpm, but that's only once since i've got it...
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Location:
Hawthorn, Vic
Registered:
March 2005
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Re: Random Idle
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Sat, 20 August 2005 07:45
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seems to be fixed
put on a new fuel filter, old one looked fairly aged, but seemed fairly unclogged
also got some carby cleaner, which i ran that though the carby, and removed alot of build-up.
easy instructions, clean most of it off on idle, however rough it is.
then give it some gas, and do it again.
alls left to do is give it a nice idle tune, and all seems to be well.
if it does it again, ill have to rip apart the carby, but the cleaner seems to have done its job nicely!
[Updated on: Sat, 20 August 2005 07:46]
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Location:
Menai area of Sydney
Registered:
June 2003
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