There is a light next to the LPG word on the switch which does not light up but the vr commodore runs ok on LPG but wont run or start on petrol . i was wondering if it might be the switch preventing the car from running on petrol,as i live in a small country town with no auto electrician and certainly no LPG specialist.
Hi dave hill, not really sure on your problem but I have a VN commodore that I purchased that had the fuel pump crook and did the same thing of not starting on petrol. Owner said to hold in lpg button when starting . I got the fuel pump replaced. Mechanic said it was caused by not running petrol through enough and running always on LPG.
SOURCE: running on lpg then stop
check that your cooling system if full of coolant. the coolant that keeps the engine cool actually keeps the gas converter from freezing. alternatively is it hard to start of a morning when cold, if so could be butane wax build up from the gas, in the convertor.
SOURCE: i have fixed lpg to
Check ignition timing setting for lpg and consult with lpg conversion center to install a spark timing advance processor if possible
SOURCE: LPG probs
How close to the exhaust is the supply line as the lpg supply line should be cold until it gets into the regulator not warm.Is the supply line heat shielded as it enters the engine bay or getting a full dose of exhaust heat?Is it the vapor injection gas system or the old style.What regulator and system are you using?OMVL ?sprint gas or other cheaper variants?It really sounds like a fuel delivery issue as you are not getting the volume of gas required at higher speeds.Commodore engines have issues with thier water system having air bubbles that cause air locks in the regulators by the time youve jumped out of the car to check for freezing it appears to be fine.You may have restrictions in the lpgas filters/locks.The water hoses,2,should be hot so hot you cannot leave your hand on them and if not freezing of the reg once again becomes the issue.Also the water hoses must be fitted in such a way that the top hose is suction and the bottom hose forces water into the reg,this is done to assist in eliminating potential air lock problems.To sum up your symptoms are consistant with poor water ciculation.
SOURCE: my santro xing xls is having starting problem with
Never heard of your vehicle.. However, Go to http://www.hmaservice.com/ and register (vehicle by VIN). Afterward, you'll have access to technical information (manuals, wiring diagrams, service bulletins, etc) about your vehicle.
SOURCE: My LPG gauge shows 2 leds but I can't run on gas?
FILL IT UP FIRST ...DONT TRUST THE LIGHTS MAY BE A SELONOID GONE AND NOT LETTING THE LPG THROUGH
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