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Author Topic: Lpg not working.  (Read 575 times)

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Duke01

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Lpg not working.
« on: 11 July 2019, 19:10:18 »

Hi guys,
3.2 , Just recently, i found the car will cut out and not restart on Lpg, but runs like a dream on petrol.
Starts fine then cuts when the Lpg kicks in, so am just using petrol at the moment.
Any Ideas?
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Doctor Gollum

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Re: Lpg not working.
« Reply #1 on: 11 July 2019, 19:13:36 »

Both solenoid valves working?
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Duke01

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Re: Lpg not working.
« Reply #2 on: 11 July 2019, 20:01:06 »

To be honest I dont know where to look for those..
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Doctor Gollum

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Re: Lpg not working.
« Reply #3 on: 11 July 2019, 20:23:28 »

One on the feed from the tank and one on the vapouriser :y aka shut off valves :y
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Duke01

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Re: Lpg not working.
« Reply #4 on: 17 July 2019, 20:02:38 »

Ok, so, have had a play, the valve in the tank clicks over and so does the one under the bonnet.
On the second go she ran on Lpg, but misfiring, throwing a 0301.
It wont switch back on to petrol unless i clear the code first, then it does and runs perfectly on petrol.
Switch back to Lpg and its instant 0301.
The pipes look ok, is it the valve for that cylinder?

Puzzled.
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Doctor Gollum

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Re: Lpg not working.
« Reply #5 on: 17 July 2019, 20:55:29 »

Either plug or coil pack ;)
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Duke01

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Re: Lpg not working.
« Reply #6 on: 17 July 2019, 21:14:22 »

I thought that, but runs perfectly on petrol, and i did coils (Bosch) about 25,000 ago.
I will pull the plugs again.
I cant understand it.
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Re: Lpg not working.
« Reply #7 on: 17 July 2019, 21:17:00 »

I thought that, but runs perfectly on petrol, and i did coils (Bosch) about 25,000 ago.
I will pull the plugs again.
I cant understand it.
Lpg is sensitive to weak plugs ;)
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dave the builder

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Re: Lpg not working.
« Reply #8 on: 17 July 2019, 21:19:13 »

LPG injector surely
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Doctor Gollum

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Re: Lpg not working.
« Reply #9 on: 17 July 2019, 21:27:39 »

LPG injector surely
No harm in swapping it with the one on cylinder 2 and see if the fault moves banks... :-\
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Duke01

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Re: Lpg not working.
« Reply #10 on: 17 July 2019, 21:28:10 »

Ah ok,
Will try plugs, then injector. Thats a good point.
Have spares due to buying 8 at a time!  >:(
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TheBoy

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Re: Lpg not working.
« Reply #11 on: 18 July 2019, 09:46:43 »

LPG injector surely
No harm in swapping it with the one on cylinder 2 and see if the fault moves banks... :-\
I'd be metering out the lpg loom first ;)
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Duke01

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Re: Lpg not working.
« Reply #12 on: 18 July 2019, 21:36:56 »

Will google that,
My metering skills go as far as battery and alternator testing.
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Re: Lpg not working.
« Reply #13 on: 18 July 2019, 21:44:50 »

Does it drive? 🤔

Am down your way for the weekend, might be around Sunday afternoon if you can get it to Lyndhurst...
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Duke01

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Re: Lpg not working.
« Reply #14 on: 19 July 2019, 18:47:06 »

It does drive.
Unfortunatley, Im away all weekend, but i do appreciate the offer. :y
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Re: Lpg not working.
« Reply #15 on: 19 July 2019, 18:52:01 »

No worries  :y

I presumed you are in the same place as I brought over the lpg bits a while back... ;)
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Kevin Wood

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Re: Lpg not working.
« Reply #16 on: 20 July 2019, 10:17:36 »

Does sound like a wiring issue to the LPG injectors to me. Failing that a knackered injector.

Once the ECU has picked up a cylinder misfire it will disable fuel to that cylinder until the next restart, so this is why it persists after switching back to petrol.

Ignition system is shared between both fuels, so we can discount that.
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Duke01

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Re: Lpg not working.
« Reply #17 on: 31 July 2019, 22:29:35 »

Sorry Gents, have been away and not had a chance to sort.
Thanks for the advice though.

No worries  :y

I presumed you are in the same place as I brought over the lpg bits a while back... ;)

I think you have me confused with someone else,
I havent met anyone on here.
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Doctor Gollum

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Re: Lpg not working.
« Reply #18 on: 31 July 2019, 23:08:31 »

Sorry Gents, have been away and not had a chance to sort.
Thanks for the advice though.

No worries  :y

I presumed you are in the same place as I brought over the lpg bits a while back... ;)

I think you have me confused with someone else,
I havent met anyone on here.
Silver Elite, self converted. Had a tank valve failure making the interior quite stinky...
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Duke01

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Re: Lpg not working.
« Reply #19 on: 01 August 2019, 18:55:09 »

No, mines a black elite, with a brc conversion that came with the car.
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Doctor Gollum

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Re: Lpg not working.
« Reply #20 on: 01 August 2019, 19:06:14 »

No, mines a black elite, with a brc conversion that came with the car.
Ah ok, different person then :D
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