factory bi fuel - Page 2

Clan · Jan 3rd, 2009, 19:56

From what you say the thermostat is faulty so best get that fixed first and go from there , there is another thing you can try if , but first the LPG Evaporator needs very hot water flowing around it to Vapourise the Liquid Gas .
I changed a faulty thermostat for a similar LPG switching problem last week before christmas and that cured the problem ..

kev-g · Jan 3rd, 2009, 20:02

ok cool can see where your coming from it could be as simple as the water is just warm enough but cold air cuirculating round it may be taking the temperature out of the evaporator,causing it to switch to petrol.
thanks for the advise will try the stat first then take it from there

kev-g · Jan 6th, 2009, 14:56

just to put this to bed just changed the thermostat in the car and it switches to gas within in seconds of starting warm (used to take 4 or 5 miles before) and many thanks to clan it was as you diagnosed the stat was stuck open

Clan · Jan 6th, 2009, 18:38

congratulations , but you diagnosed your own problem when you said the engine wasnt warning up ;-) And as i said i had this problem on a Bi-Fuel the week before christmas ..And as my footnote always says ..... experience ...

glider · Jan 8th, 2009, 18:32

Clan- thanks for the suggestion. My car is going in for a timing belt so I will get the thermostat checked also.

Jan 3rd, 2009, 19:56	#11
Clan Experienced Member Last Online: Today 11:26 Join Date: Jun 2007 Location: L/H side	From what you say the thermostat is faulty so best get that fixed first and go from there , there is another thing you can try if , but first the LPG Evaporator needs very hot water flowing around it to Vapourise the Liquid Gas . I changed a faulty thermostat for a similar LPG switching problem last week before christmas and that cured the problem .. __________________ My comments are only based on my opinions and vast experience .

Jan 6th, 2009, 18:38	#14
Clan Experienced Member Last Online: Today 11:26 Join Date: Jun 2007 Location: L/H side	congratulations , but you diagnosed your own problem when you said the engine wasnt warning up ;-) And as i said i had this problem on a Bi-Fuel the week before christmas ..And as my footnote always says ..... experience ... __________________ My comments are only based on my opinions and vast experience .

Jan 3rd, 2009, 20:02	#12
kev-g Junior Member Last Online: Mar 3rd, 2011 11:35 Join Date: Dec 2008 Location: cinderford	ok cool can see where your coming from it could be as simple as the water is just warm enough but cold air cuirculating round it may be taking the temperature out of the evaporator,causing it to switch to petrol. thanks for the advise will try the stat first then take it from there

Jan 6th, 2009, 14:56	#13
kev-g Junior Member Last Online: Mar 3rd, 2011 11:35 Join Date: Dec 2008 Location: cinderford	just to put this to bed just changed the thermostat in the car and it switches to gas within in seconds of starting warm (used to take 4 or 5 miles before) and many thanks to clan it was as you diagnosed the stat was stuck open

Jan 8th, 2009, 18:32	#15
glider Junior Member Last Online: Jun 23rd, 2018 19:30 Join Date: Jul 2007 Location: glasgow	Clan- thanks for the suggestion. My car is going in for a timing belt so I will get the thermostat checked also.

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