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Recent LPG Starvation Issue
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Telpat16
Posted 6/9/2013 17:59 (#15674 - in reply to #14894)
Subject: Re: Recent LPG Starvation Issue



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Posts: 108
1005
Location: NEWPORT QLD		No Joy

Paper filter in, cleaned MAF sensor new Lean Idle DTC both banks short time later

Is the vapour purge circuit a possible candidate for air leaks into manifold?
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Administrator
Posted 6/9/2013 21:58 (#15675 - in reply to #14894)
Subject: Re: Recent LPG Starvation Issue



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Location: An island off southern Tasmania.		yep...but just disconnect it.
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Administrator
Posted 6/9/2013 21:58 (#15676 - in reply to #14894)
Subject: Re: Recent LPG Starvation Issue



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Location: An island off southern Tasmania.		swap the two manifolds/cats/os sensors complete now.

its about an hour for me to do both...
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Telpat16
Posted 7/9/2013 08:46 (#15677 - in reply to #15675)
Subject: Re: Recent LPG Starvation Issue



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Posts: 108
1005
Location: NEWPORT QLD

Administrator - 6/9/2013 21:58 yep...but just disconnect it.

 

Electrically?  or mechanically and plug pipe?

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Telpat16
Posted 7/9/2013 08:51 (#15678 - in reply to #15676)
Subject: Re: Recent LPG Starvation Issue



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Posts: 108
1005
Location: NEWPORT QLD

Administrator - 6/9/2013 21:58 swap the two manifolds/cats/os sensors complete now. its about an hour for me to do both...

 

Bit longer for me as no hoist, have to do back manifold from underneath on engine stands.

 And I guess bite the bullet and buy a torque wrench in view of your easy to strip comments earlier

So maybe a try of front manifold and rear post cat sensor as that is the only sensor I haven't changed and it behaviour (or the behaviour of the cat) is a bit peculiar

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Administrator
Posted 7/9/2013 10:40 (#15679 - in reply to #15678)
Subject: Re: Recent LPG Starvation Issue



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Location: An island off southern Tasmania.		all you need is 12mm,14mm and 15mm sockets to remove manifolds, as well as some red silicone grease for the exhaust flanges.

Dont need a torque wrench for the manifolds, just be careful


the exhaust manifold gaskets are stainless steel and fully reusable.
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Telpat16
Posted 7/9/2013 17:00 (#15680 - in reply to #14894)
Subject: Re: Recent LPG Starvation Issue



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Posts: 108
1005
Location: NEWPORT QLD		Stage One Complete

Why the red silicone? Mine had a stainless steel gasket in the flange joint?

A couple of sore knuckles but front cat swapped. The nut behind the alternator is a bit of a challenge!

Sadly post cat sensor on front bank is reporting faulty heater and sitting at 0.44 V, so will change that tomorrow when all cold again - at least I now have two to choose from!

Different sensor post cat 1 (firewall) shows same pattern as before, so that cat getting tired.



(380 newcat f.jpg)



Attachments
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Attachments 380 newcat f.jpg (493KB - 556 downloads)
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Administrator
Posted 7/9/2013 23:59 (#15681 - in reply to #14894)
Subject: Re: Recent LPG Starvation Issue



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Posts: 1093
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Location: An island off southern Tasmania.		take the dipstick out to get that nut out easier....dipstick just pulls out...
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Telpat16
Posted 8/9/2013 17:21 (#15682 - in reply to #14894)
Subject: Re: Recent LPG Starvation Issue



Frequent flyer Gold

Posts: 108
1005
Location: NEWPORT QLD		Fixed the front post cat with my last spare, then after about 30 km the rear post cat started flat lining at 0V.

I'll get there one day



(380_faulty_S12 .jpg)



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Attachments 380_faulty_S12 .jpg (456KB - 550 downloads)
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Administrator
Posted 8/9/2013 17:37 (#15683 - in reply to #14894)
Subject: Re: Recent LPG Starvation Issue



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Posts: 1093
10005025555
Location: An island off southern Tasmania.		unbelievably bad luck mate...
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