Fuel Isolator (1 Viewer)

Stealaway

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Jan 8, 2013
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Is there a valve you can install in the fuel line to enable you to switch of the fuel to the engine?
Any thief shouldn't ever get more than a mile away.
 

hilldweller

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Don't some alarms just break the pump feed to achieve this ? Bike alarms do.

I'm not totally sure and it may trigger a fault code in the new fangled motors.
 
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Stealaway

Stealaway

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Ive just found this -- could be handy if I have one.

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andy63

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Is there a valve you can install in the fuel line to enable you to switch of the fuel to the engine?
Any thief shouldn't ever get more than a mile away.

I put one in an old m3 transit (manually operated ) as one of the security measures...
On a couple of occasions i forgot about it... first signs were a miss or two of the engine.. i was lucky every time it happened that i could pull in and get it turned back on before it ran out completely..
If that hadnt been the case it may well have been a pain as they didnt always self bleed...and im not sure how long one of the common rail high pressure pumps would cope with no fuel to lubricate it...
Andy.
 

bobandjanie

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Remember the days when we worried about the b******* stealing your catalytic convertor. :mad:
How things have changed. :crying: Bob.
 

pappajohn

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Pre JTD Fiat's had an impact sensor switch under the bonnet to cut the fuel pump supply in a crash. Simply pull the switch from its socket.

My tracker has a function to remotely disable one circuit..... Usually the fuel pump but could be the fuel cut-off solenoid on mechanical pumps.
 
Jun 6, 2012
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If you can find the top of your fuel tank (on my a-class fiat ducato it’s under the floor between the drivers and passengers seats) just simply unplug the connector and using a multimeter determine the switched live (when ignition is switched on) and simply fit a switch (hidden of course) following the diagram below:
882AC2CC-93F8-4F65-B7E0-2C9A45C3807D.png
 
Oct 29, 2008
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Is there a valve you can install in the fuel line to enable you to switch of the fuel to the engine?
Any thief shouldn't ever get more than a mile away.
If you fit a valve in the fuel line you will have to prime the fuel system after an attempted start if you forget its turned. Not a good idea.
 
Aug 6, 2013
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If you fit a valve in the fuel line you will have to prime the fuel system after an attempted start if you forget its turned. Not a good idea.
Not with any modern engine. The injector fuel rail has fuel under pressure circulating - just a burst to prime it once the ignition switch is turned on then continuously once the starter motor turns and when the engine is running. A valve is still pointless though - switching the fuel pump off has the same effect.
 

Nosmo King

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The benefit of a valve though is that it's unusual... most tealeaves will be looking for a hidden switch I imagine.

A valve would be hard to hide yet still remain accessible.

I prefer the Mad Max solution.... you might lose the camper but it's one less maggot on the streets...

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