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Author Topic: Codes. Grumpy on first switch over to LPG.  (Read 5630 times)

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feeutfo

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Re: Codes. Grumpy on first switch over to LPG.
« Reply #45 on: 12 March 2013, 21:51:40 »

Guess it doesn't work with the small particles visible. :-\

Bank 2 looked worse for some reason.
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TheBoy

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Re: Codes. Grumpy on first switch over to LPG.
« Reply #46 on: 12 March 2013, 21:55:03 »

Guess it doesn't work with the small particles visible. :-\

Bank 2 looked worse for some reason.
Mrs TB had emissions light flash this morning, -5C I think she said. Pedal trick shows 0173, 0300, 0302, 0304 and 0306.

As my cars rarely see Tech2, no idea if these are new codes this morning, or old codes ;D
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Entwood

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Re: Codes. Grumpy on first switch over to LPG.
« Reply #47 on: 12 March 2013, 22:07:01 »

Isnt the filter in the vap supposed to catch the shite that causes injector problems?

I have a separate filter AFTER the vap, in the gas line, on mine ...
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Lazydocker

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Re: Codes. Grumpy on first switch over to LPG.
« Reply #48 on: 12 March 2013, 22:34:21 »

Isnt the filter in the vap supposed to catch the shite that causes injector problems?

I have a separate filter AFTER the vap, in the gas line, on mine ...

So do we... 2 of them actually (2 lines ;)) which I think is what TB was referring to :-\ :y
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feeutfo

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Re: Codes. Grumpy on first switch over to LPG.
« Reply #49 on: 12 March 2013, 22:45:07 »

Thers also one pre vap, no?
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Andy H

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Re: Codes. Grumpy on first switch over to LPG.
« Reply #50 on: 12 March 2013, 23:00:47 »

Thers also one pre vap, no?
Does LPG act as a solvent while liquid? I'm guessing that heavy ends can dissolve in the liquid (& therefore pass through the filter) but get deposited in the evaporator when the gas boils off.
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doz

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Re: Codes. Grumpy on first switch over to LPG.
« Reply #51 on: 12 March 2013, 23:31:55 »

You won't get or shouldn't get to much crap in Lpg anyway. The tank can't rust from the inside it's the wrong enviroment. If you see the filtering we do at work when we make it You'd think it woulder get dirty. The actual tankers are very clean with lots of procedures especially if it's used for both butane and propane. I'm sure my crap got in the injector block when it was in the box. Gave me a reet edake it did  ::)
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feeutfo

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Re: Codes. Grumpy on first switch over to LPG.
« Reply #52 on: 12 March 2013, 23:53:50 »

Aaeye, edake indeed. ;D :y

Tilo mentioned various contaminants, but heavy ends where the problem here. Sticky stuff that holds the injectors shut, but free off, when the injector becomes warm from latent heat from the engine and surroundings.

A test he mentioned was allow the car to warm up and feel the vap. The moment it feels warm, switch to gas, if it stumbles and grumps that points to stuck injectors, as the injector block is still stone cold. Or something like that anyway. Once warm the heavy ends free off, and the injector works again.
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feeutfo

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Re: Codes. Grumpy on first switch over to LPG.
« Reply #53 on: 12 March 2013, 23:55:58 »

Iirc it was the pipe cleaning agent they use in the tankers that buggers the injectors, if it gets in the system, he said.
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Lazydocker

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Re: Codes. Grumpy on first switch over to LPG.
« Reply #54 on: 13 March 2013, 00:46:15 »

Thers also one pre vap, no?
Does LPG act as a solvent while liquid? I'm guessing that heavy ends can dissolve in the liquid (& therefore pass through the filter) but get deposited in the evaporator when the gas boils off.
Yes to Chris, there is one pre-vap.

Re heavy ends... I think there's a drain plug in the bottom of the vap (normally is) to drain them off... Might be worth looking into
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Kevin Wood

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Re: Codes. Grumpy on first switch over to LPG.
« Reply #55 on: 13 March 2013, 10:20:21 »

Interesting..

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feeutfo

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Re: Codes. Grumpy on first switch over to LPG.
« Reply #56 on: 13 March 2013, 11:28:20 »

See how it behaves on the trickle home tonight in the cold and heavy traffic. It stalled twice yesterday, prior to cleaning under the same conditions.
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tunnie

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Re: Codes. Grumpy on first switch over to LPG.
« Reply #57 on: 13 March 2013, 14:51:40 »

I know it mentioned it earlier, but surely raising the switch over temp would help?  :-\
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feeutfo

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Re: Codes. Grumpy on first switch over to LPG.
« Reply #58 on: 13 March 2013, 16:01:09 »

It would, but it should run fine from 20c switch over setting. This is misbehaving at up to 70c on the dash, in the cold near and below zero conditions currently. A higher switch over temp would hide the issue, not fix it. :)

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feeutfo

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Re: Codes. Grumpy on first switch over to LPG.
« Reply #59 on: 13 March 2013, 16:02:42 »

I still think that fill up at Morrison's on the way back from the lakes was dodgy. :(
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