using petrol when running on LPG

pollyrocket · May 9, 2012

this is my 1st LPG disco and i have noticed that when it switches over to LPG it still seems to use fuel, has anyone else had this problem. or does it just need a good LPG service.

today i made note of where fuel gauge sat when it switched to LPG and 5 miles down road on came my fuel light and gauge had moved surely once on LPG it should not use fuel other wise whats the point in it :/

Optimus Prime · May 9, 2012

some systems still run on petrol until the engine is up to temperature, irrespective of switch position.

pollyrocket · May 9, 2012

this is when its up to tempreture, and it switchies over atuomaticly. . getting the system serviced next month at least then i know it ok.

edge · May 9, 2012

Have a look at the LPG Discussion forum. there are loads of knowlageable guys on there who may be able to point you in the right direction.
LPG Discussion Forum • Index page

Matt TDi · May 9, 2012

Sounds like it's not switching over properly, which could also mean it's over fueling.

Is it pinking?

pollyrocket · May 9, 2012

u mean when i switch engine off yes it does

Matt TDi · May 9, 2012

Any time really.

With a rich mixture of petrol and lpg there's a high chance of knock, which you may notice at all times. Plus your spark plugs would be filthy and stink of fuel.

easye1 · May 10, 2012

Matt TDi said:
Any time really.

With a rich mixture of petrol and lpg there's a high chance of knock, which you may notice at all times. Plus your spark plugs would be filthy and stink of fuel.

smell more of burnt money I would have thought...

having said that, I hope you get it sorted out ok mate.

I have an old reliable D1 dosel, and its when you sit and think,

what if i bought a rangie on gas in the future, how good are they,
and then I read of problems, coz its what we read about really,
does anyone ever write about just how good there lpg powered landies or rangies ever are?

Just a thought though, as I is still bloody Ill with shingles (my excuse)..

martin1512 · May 10, 2012

easye1 said:
smell more of burnt money I would have thought...

having said that, I hope you get it sorted out ok mate.

I have an old reliable D1 dosel, and its when you sit and think,

what if i bought a rangie on gas in the future, how good are they,
and then I read of problems, coz its what we read about really,
does anyone ever write about just how good there lpg powered landies or rangies ever are?

Just a thought though, as I is still bloody Ill with shingles (my excuse)..

I am happy to write about how good my landy is on LPG. I have a very basic setup with the gas entering the engine between the carbs and inlet. I have a switch on the dash to switch between gas & petrol. Switching to gas cuts off the fuel pump, so no chance of over fuelling. Driven sensibly I can get over 120 miles from £30. I have had no problems at all with reliability when running on LPG, and it even starts on LPG when cold.

pollyrocket · May 10, 2012

not sure what MPG i get for my money, i only put £4 LPG in today as place i go to ran out lol, and have done over about 15/20 miles so far and its not run out yet, so dont know if thats good or not

easye1 · May 20, 2012

pollyrocket said:
not sure what MPG i get for my money, i only put £4 LPG in today as place i go to ran out lol, and have done over about 15/20 miles so far and its not run out yet, so dont know if thats good or not

:welcome2:

sorry for late reply guys,

it seems you both are getting value for money on gas.

and as much as I love my old but much worked on disco1 doosel,
my Illnesses are giving me a bit of grief with the man sized clutch & peddle in town driving,

so, "just looking" at autos, diesel and gas powered as I find them..

mickhawkes · May 31, 2012

Hi
just bought a V8i with the same problem (using petrol when on LPG)
turned out to be an electrical fault, bad neg/chassis conection on some lpg control boxes, fixed now, runs like a dream on lpg and petrol,
cost a bit to find the problem, but worth it.
Love it !!
Mick

Deasy · May 31, 2012

Do you fill up at morrisons or the place with a drive through subway?

pollyrocket · Jun 3, 2012

no i dont. :/

using petrol when running on LPG

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