Vauxhall astravan 1.6 envoy LPG petrol

Description:

Tax and mot ran out 83000 miles white tow at fitted great condition runs perfect in LPG ticks over perfect on petrol but when driving on petrol it sometimes splutters ASIC petrol running out then power comes back not sure what this could be no job forces sale or swap why or looking for 500 Ono y reg 2001