range rover p38 4.6

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matcossy
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range rover p38 4.6

#1 Post by matcossy » Sun Feb 24, 2013 7:33 pm

hi guys,

i hope some one can shed some light on an issuse i have with my lpg,
its a romano system, the thing is some times it will switch back to petrol with the gauge bleeping has any one got any idea?? what is cursing this??

regards matt

Tubbs
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Re: range rover p38 4.6

#2 Post by Tubbs » Sun Feb 24, 2013 7:45 pm

You have to hook it up to a laptop and have a look. It could be low LPG pressure, temp related or an actual logged fault. Without looking its hard to say. Have you checked your coolant level ?

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Re: range rover p38 4.6

#3 Post by classicswede » Sun Feb 24, 2013 7:48 pm

Pressure loss.

You just need to work out why you are loosing pressure. Under what conditions does it switch back?
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matcossy
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Re: range rover p38 4.6

#4 Post by matcossy » Sun Feb 24, 2013 9:04 pm

hi,,

some times its when im coasting some times under full throttle,
it does do it more when im at half a tank or below,,

how do i plug it in to my lap top??

best regards matt

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Re: range rover p38 4.6

#5 Post by Tubbs » Sun Feb 24, 2013 9:43 pm

You need an interface lead and the software. If you get in touch with mint lpg they will have the software. The lead is a standard aeb. But you need the number off the back of the romano ecu for the sofware. Prefix b,c,d etc.
ebay autogas interface lead aeb...

matcossy
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Re: range rover p38 4.6

#6 Post by matcossy » Sun Feb 24, 2013 9:56 pm

hi,

iv just been on ebay and found that i can get software and lead of there is it simple to use??

best regards matt

classicswede
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Re: range rover p38 4.6

#7 Post by classicswede » Sun Feb 24, 2013 10:12 pm

Nothing that complex. Just load it up, plug the lead in and then take some screen shots. Post up the screen shots and we should be able to confirm if things look right.
http://www.classicswede.com/
http://www.classicswede.co.uk/LPG/cat17 ... 10800.aspx

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matcossy
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Re: range rover p38 4.6

#8 Post by matcossy » Tue Feb 11, 2014 9:32 pm

hi iv plug the laptop into the ecu and my gas pressure is 1.24 bar is this ok

regards

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Re: range rover p38 4.6

#9 Post by Gilbertd » Tue Feb 11, 2014 10:24 pm

You need to see what the gas pressure is when running under different conditions. Ideally at the time it switches back. Get someone to watch the display while you drive, it might be pressure, it might be temperature, it might be something else, just look for something that changes.
'96 Saab 900XS, AEB Leo, sold
'93 Range Rover 4.2 LSE, Lovato LovEco, sold
'98 Ex-Police Range Rover 4.0, Singlepoint AEB Leo, my daily motor
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matcossy
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Re: range rover p38 4.6

#10 Post by matcossy » Fri Mar 14, 2014 9:51 pm

ok chaps iv sorted it :D

it got to the point where it was constantly switching back to petrol so I plug the lap top in and it was not seeing any pressure at all so I felt around the pressure sensor and as soon as I touched it I got pressure back so I started the car got it going on gas and the poke the sensor again and again it went back to petrol so iv found that by cable tieing the wires forward and that seems to have fixed it,,,

the sensor is a aeb013 does anyone no where I can get one from???

regards matt

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Re: range rover p38 4.6

#11 Post by Gilbertd » Fri Mar 14, 2014 10:13 pm

The AEB013 was notoriously unreliable and has been superseded by the AEB025. You'll need an adapter cable to fit the 025 to your existing loom. You'll find both the sensor and adapter cable about 2/3rds the way down this page http://www.tinleytech.co.uk/acatalog/AEB.html
'96 Saab 900XS, AEB Leo, sold
'93 Range Rover 4.2 LSE, Lovato LovEco, sold
'98 Ex-Police Range Rover 4.0, Singlepoint AEB Leo, my daily motor
'97 Range Rover 4.0SE, eGas multipoint, a project.....

Proud to be a member of the YCHJCYA2PDTHFH club.

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