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Car Suddenly Stopping In Morning At Same Place On LPG

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  • Car Suddenly Stopping In Morning At Same Place On LPG

    Hi,

    I'm new to this site and we have only just bought our old Prado two months ago, however I thought I'd share my recent experience with everyone just in case anyone else has similar problems.

    We recently change our car from a Tarago to our Prado as the kids have grown up a bit and we all wanted some new experiences such as beach driving etc. The Prado is great and we have already had some good times however one morning I'm at work and the phone goes, my wife with all the kids on the way to school have broken down about 1 km from the house in the middle of a T junction blocking the road. All the normal thoughts run through my head, we have sold a reliable Tarago and bought a bucket of problems, anyway after switching from gas to petrol and trying for 10 mins the car starts again.

    My wife is not not happy and I have to drive the car for a few days to see if it happens again, it doesn't, so she starts to drive it again. Two weeks later on a Monday after driving to Clare for the weekend with no issues the car does exactly the same thing again, same time, same place, this time it doesn't start. By good luck someone helps push the car into a bus stop so it isn't blocking the road however it will not restart. The kids have to catch the bus to school and my wife has to have the day off work and again isn't happy. We contact the dealer we bought the car from who says yes he will look at it if we get it there (30 kms away) but how do we get it there without paying the earth. My wife walks home and we discuss it on and off over the next couple of hours. My wife walks back to the car and guess what it starts straight away but there is strong smell of gas in the car. My wife drives it to the dealer who keeps it for a day, driving it around etc but says he can't find any problems. An intermittent major fault, the worse kind, how do you repair something which isn't broke?

    Following a bit of research about LPG and some of the problems associated with it I try the car myself this morning and guess what, the same happens to me. Being new to LPG I wasn't aware that our system is now quite old and turns from petrol to gas quickly and that the LPG body is heated via the engine coolant to convert the LPG into gas. So when I broke down this morning guess what, the LPG body is covered in white frost even with an outside temp over 10 degrees. I get the car started on petrol, warm the engine up, change to gas and there has been no further problems.

    So in a nut shell anyone new to LPG like me make sure your car is warm before turning over to LPG as the heat from the engine coolant is needed to warm the LPG kit and convert the liquid to a gas. If you don't the change the LPG into gas it freezes your LPG kit and the car will stop. It now bring back memory's of when we tried to empty a small gas cooking canister and when the gas came out the canister got frost all over it!

    I realise that most people on the forum probably know all this already but I thought I share this just in case, all the best.

  • #2
    RACV total care will help you get the vehicle around when you have problems.

    If you want a reliable vehicle, don't buy one on gas.

    Yes, if you gas converter freezes, the engine, won't run on gas, switch to petrol, check for coolant leaks or low level as this should not happen, it's not normal.

    Comment


    • #3
      Hi bilkobike90,

      I would have the system looked at, I had an old Mitsubishi van on gas, I always started it on gas and
      never had the problem you have experienced. As long as coolant is flowing through the convertor wether
      it be hot or cold it should be enough to stop the convertor freezing. I would suggest that it has not
      been plumbed correctly ie must be plumbed into the heater bypass circuit to make sure coolant
      flows through the convertor even if the engine thermostat is closed.

      Cheers
      Leigh
      HKB Electronics, manufacturer of the Alternator Voltage Booster, Silver 2008 D4D,Lifted,Underbody protection, Alternator Voltage Booster, Tiger Z winch, Lightforce DL, Air Horns, Tanami Drawers, Drop down fridge slide, Outback cargo barriers, Rotronics dual Battery system, Polaris GPS, HF/UHF/VHF, Radio speaker combiner, Long ranger water tank, Diff breathers, Inverter, Snorkel and others

      Comment


      • #4
        hi, i had the same problem in an old VL commodore, would run perfect and then every now and then it would splutter to a stop, but i could always quickly flick it over to petrol and after a hiccup or three the motor would keep going. As LeighW said, it sounds like it is not plumbed correctly and your gas is freezing, an LPG specialist should be able to fix it without any hassles,
        cheers,
        Mike
        2004 V6 GXL, ARB Bar, Cargo Barrier, TJM XGS Gold 2 inch lift,Oricom UHF, AMTS Spotties, Dual Battery, Waeco CFX 50, ABR battery Monitors, Iantz GPS

        Comment


        • #5
          We had the same problem with a forklift at work. To get it going while waiting for the mechanic, which could take all day, we poured some warm water over the converter. Just a quick fix to get you to the workshop.
          [SIZE=1]Cheers Jim.
          [/SIZE][COLOR=#0000cd]
          2009 120 D4D VX auto, pearl white with [COLOR=#0000cd]matching ARB deluxe bar,[/COLOR] 2" lift with [COLOR=#0000cd]OME springs & Nitro shocks,[/COLOR] 9000lb Warn winch, BFG KO A/Ts, Alloy Rhino roof basket, Safari snorkel, 2 x Optima D27F batteries, Voltage booster from Leigh, Jawa [SIZE=1]off-road camper trailer.[/SIZE][/COLOR]

          Comment

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