Vehicle & Technical > Range Rover

3.5 EFI on LPG won't start

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Spacemud:
Yesterday, after a journey of about 35 miles I stopped to look in a garage and when I started back up I needed three attempts on the key. LPG clicked in after a couple of seconds then all was ok, until............

Stopped again at another garage, when I got back in and tried to start it, the engine turned fine but it wouldn't start on either petrol or LPG.

Before I decided to tow it back home (with the 2a  :wink: ) I checked various wires, and took out a plug. Plug indicates that there is no fuel going in.

Any ideas on the best way, and right order to investigate the problem? Obvious thing to check first is the fuel pump but i haven't found it yet!

hairyasswelder:
pump is in the tank, take the petrol cap off and listen as someone turns it over for you.  I seem to remember the airflow meter switches the pump.
How does you gas switch over? will it start on gas?

Range Rover Blues:
My LPG will not start until the engine is runnig, it's a safety thing.  In emergencies I run a jump lead from the battery positive to the gas valve under the bonnet to allow a short burst of gas through, then I can start it.

I had the wires to the fuel pump just fall off once, corrosion :roll:

Check the wiring under the back end before starting to pull the floor up.

hairyasswelder:
mine will start on gas if i turn the ignition on, switch from gas to petrol and back to gas it will purge the ststem and start, usually on the 2nd attempt. If I do this the gas led flashes.
All systems are different, this is a stargas drawthrough systen using relays to shut injectors off. If the relay fails it leaves the petrol switched on.
Early 3.5efi has a fuel relay under drivers seat near ecu,
If the pump is not running try checking for voltage in the wiring before removing pump, if pump needs to come out check boot floor for access panel, if not, as with some early 3.5, the tank has to come off  :cry:  

Steve

Garth:
Cant work out if this is the same problem I have but I havent found solution yet either.

On cold morning cuts out on gas approx after 1/4 mile and the only way I can get started is to turn over on petrol with foot to boards for about 2 mins then splutters into life.

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