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Author Topic: XJ on LPG keeps forgetting to idle.  (Read 2312 times)

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UKJeeper

  • Guest
XJ on LPG keeps forgetting to idle.
« on: July 13, 2010, 12:49:24 AM »

Annoying problem on my LPG system. Usually when you get off the pedal it should just drop to idle. But recently on mine it sometimes (not always) just drops down to zero and dies. Most often when coming to a roundabout on A roads, ie; when slowing down from high speed (60-70) to stop. However if i 'blip' the throttle a couple of times, it remembers to idle instead of dying. Also happens on long straightways when coasting.

Its fine on petrol, only happens on gas. Obviously' dead sticking' my way around a roundabout while restarting the car is getting annoying (and somewhat dangerous).

Any ideas on what to look for? I'm hoping i can find it as the Jeep is my daily driver and i can't have it sitting in an LPG shop while i find another way to get to work.

Thanks.
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captain cavalier

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Re: XJ on LPG keeps forgetting to idle.
« Reply #1 on: July 13, 2010, 09:58:47 AM »

Are you using a snorkel

Also have you tried disconnecting the battery and leaving for a few minutes then reconnect

Will take a few minutes when started to reset itself
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JamesH

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Re: XJ on LPG keeps forgetting to idle.
« Reply #2 on: July 13, 2010, 01:55:24 PM »

Is the battery low on charge?? I had a problem quite similar on LPG when my TATima battery was dying.
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UKJeeper

  • Guest
Re: XJ on LPG keeps forgetting to idle.
« Reply #3 on: July 13, 2010, 02:59:29 PM »

Taking both your replies i'll

a) clean up the connectors on the battery, make sure enough juice is getting through.

if not, then

b) replace the battery and see if that helps.

Thanks.
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Bishops Finger

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Re: XJ on LPG keeps forgetting to idle.
« Reply #4 on: July 13, 2010, 10:34:39 PM »

Tim...you could chuck the LPG and use proper fuel...
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UKJeeper

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Re: XJ on LPG keeps forgetting to idle.
« Reply #5 on: July 14, 2010, 01:55:04 PM »

Tim...you could chuck the LPG and use proper fuel...

You know, the reason i never reply to your PM's or posts is because you VERY rarely have fuck all useful to say.  Not surprised to see this hasn't changed.
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scrw

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Re: XJ on LPG keeps forgetting to idle.
« Reply #6 on: July 14, 2010, 02:09:30 PM »

When was the gas filter last changed?
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UKJeeper

  • Guest
Re: XJ on LPG keeps forgetting to idle.
« Reply #7 on: July 14, 2010, 04:16:11 PM »

When was the gas filter last changed?

Good point. Er.. never? (in the 5 years i've owned it)  :icon_redface:. What am i looking for?
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scrw

  • Guest
Re: XJ on LPG keeps forgetting to idle.
« Reply #8 on: July 14, 2010, 04:24:48 PM »

Looks like a siver bean can, very much like a petrol one, will be inline after the evaporator, well mine is, see here

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UKJeeper

  • Guest
Re: XJ on LPG keeps forgetting to idle.
« Reply #9 on: July 14, 2010, 04:49:50 PM »

 :beerchug: Cheers mate, i shall go and have a look later.

BTW, Doesn't 'seem' to be the battery. All connectors are solid, battery is also OK.
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scrw

  • Guest
Re: XJ on LPG keeps forgetting to idle.
« Reply #10 on: July 14, 2010, 04:52:22 PM »

for a quick test just replace it with some pipe & see if its better, wouldn't leave it like that though
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Bishops Finger

  • Guest
Re: XJ on LPG keeps forgetting to idle.
« Reply #11 on: July 14, 2010, 07:38:53 PM »


You know, the reason i never reply to your PM's or posts is because you VERY rarely have fuck all useful to say.  Not surprised to see this hasn't changed.

Tim I can't help it if I came from further up the evolutionary scale than you...Lets face it I even had to point you in the direction of some Essex laning trips....... 
[/quote]
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Bubba

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Re: XJ on LPG keeps forgetting to idle.
« Reply #12 on: July 14, 2010, 07:41:54 PM »

tim have you got one of thse mad tickover valves in the gas line looks like an aloy block with a bolt slightly unthreaded out of it not all have them but some do
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I spent most of my money on alcohol, women and old  iron........ the rest of it I just wasted.
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