Vehicle & Technical > Range Rover

stranded at a mates 180 miles from home. HELP

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singerking:
 have a v8 lpg converted classic k plate. which is now driving hubby, my mate and me nuts. we are stuck as to where to go next and need some advice.

firstly we drove from somerset and after about an hour we ended up getting a warning light on the dash ( ! ) and the car wouldnt run on petrol but would on gas the light would then disappear then we could get it to run on pertol again. this continued to the point that we loast all power and had to pull over. after 30 mins we managed to get it started again on petrol and get further 30mins down the road. and lost all power on both gas and petrol. then our battery died called out the RAC who eventually turned up. while we were waiting we noticed that the condenser fans were going constantly.

well to cut it short we got towed to our mates house arriving at 0530 only 5 hours late. but safe. After crashing for an hour we set about the motor again.
we tried to turn her over and she was trying to fire but wouldnt light. when she did eventually fired she died the minute you applied power.

today so far we have done the following:

1. changed the ht leads.
2. checked the distributor and spark. all is good there.
3. looked at the mass air flow sensor, all good there.
4. put a brand new battery on her.
5. looked at the ignition coil and it get hot but runs the gas system ok.
6. put god know how much carb cleaner through her. got a massive pop when running on gas from the plehnum chamber. which improved the running system.
7. check the ignition switch and wiring and that looks good.
8. we have looked at the realy and it seams to be working as does the fuel pump

so fellas we are now banging our heads wondering where to look next and what it could be.

your help i greatly apperciated.

bogie:
At the sound of how it all happened i would say there is a problem with the electrics on the gas set up,relay or something which is cutting your gas and petrol off???????????

Range Rover Blues:
I need to know if the lpg system is a single point or multi point because if it's independant of the petrol system then your sympotoms are very different to if it's a multi point system.

The warning light is a fault on the EFi system and it would have to be serious for it to show up, like a lambda sensor etc.  mine doesn't even light if I unplug the MAF (should check that....) but the system will run on EITHER lambdas or MAF, so you probably have one sensor that's been down a while, or your ECU is going which is terminal.

Usually I'd advise getting the petrol side to work before tinkering with the gas, but let me ask how you have checked that the spark ignition is all ok, if the coil is running hot for example?

How did you check the MAF?  if you have access to a Haynes manual it tells you how to check all the sensors with a multi-meter, might help.

singerking:
thank you for your reply.

well its a single point gas system. which is working sweet from what the boys tell me.
our motor doesnt have a lambada sensor(s). its an early model. k plate 1992.
i have been through the history of the car and it looks like it had this problem back in 2007 which they changed the fuel pump, ecu, ht leads, distributor, spark plugs, fuel filter etc and got it to work again. my concern is What is cousing it the fuel side to fail like this again.

i did check the spark ignition this was checked serveral times but removing serveral leads in turn and checking the spark from the lead against the engine block. we have replaced the ht leads now for a better set.  the coil from what i was told buy its old owner was changed just recently but as to why its running hot i dont know? and the condenser fans on the front keep running which to me indicates that the car thinks it excessivly hot even though its not.

i have ordered the boys to buy a multi meter today as mine is in my tool kit at home which is no good to me. and i personally think we need to start looking at what voltages are going where and see what we get. as you say check all the sensors.


I dont intend on going home until we have figured out why the car wont run on petrol as knowing my luck we will be an hour into my journy and she will dye again. and the rac have already said that they wont  recover us home as they recovered us to here.  arrrrh
thankyou again i will let you know how we get on  :)

J.D.:
I am not up to speed on V8s but.....a friend had a problem where the choke jammed open on his carbs, meaning it wouldn't fire up when hot. Might be worth checking.

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