Engine will not switch over to LPG (1 Viewer)

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electricscott

Free Member
Nov 23, 2010
203
66
Buckden Marina
Funster No
14,520
MH
A class
Exp
3 year
ocassional when going up a steep hill a warning buzzer indicates an empty LPG tank, this normally corrects itself and I can switch back to running on gas. However after going up severe steep hills the controller is now perminately showing an empty LPG tank making it impossible to switch over from petrol to LPG. I know I have a full tank. Any suggestions to the cause?
 

mjltigger

Free Member
Nov 12, 2014
1,619
2,672
Trowbridge
Funster No
34,213
MH
Autotrail Dakota Max
Exp
2012
Years ago I had this problem on my landrover and it turned out I needed new tank valves.
 

Peter A Forbes

Free Member
Nov 23, 2014
270
184
Rushden, Northants, UK
Funster No
34,314
MH
Mercedes 614D
Exp
10+
The system will have a pressure sensor to tell the controller that there is sufficient pressure to run the system.

Sounds like you have a sensor that has failed or more likely one of the wires has corroded and broken off it.

The sensor is usually on the vapouriser.

Peter
 
Apr 29, 2012
312
287
Holmfirth
Funster No
20,777
MH
1990 Gulfstream RV
Exp
30yrs
Could be the sensor as said or could be the solenoid valve that controls the switch over,has gone
 

pappajohn

LIFE MEMBER
Aug 26, 2007
43,601
51,603
Dark side of the moon
Funster No
172
Exp
Since 2005
You need a professional LPG fitter to check it over.

I only get switched back to petrol when i have ran out of gas.....hills have no effect, as they shouldnt.

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electricscott

Free Member
Nov 23, 2010
203
66
Buckden Marina
Funster No
14,520
MH
A class
Exp
3 year
Thanks for the advice I will check the the wire on the vaporiser and seek a professional LPG engineer when we get back to England
 

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