running on

twizzle · May 31, 2013

my disco 300tdi sometimes carry's on running

after the is ignition is turned off
anybody had this problem before

thanks Twizzle

MPfive · May 31, 2013

Fuel cut off solenoid

FlyingDutchman · May 31, 2013

Not that I have a diesel, but not uncommon as far as I know.

The solenoid is one possibility.

But also it could be build up of carbon in the cylinders. A problem that can come up when you use the car a lot on short trips. The old-fashion (traditional) solution is to bring the car on a long trip and give the engine some work to do. (German Autobahn comes to mind). (Don't use the M4, that's 50 most of the time !)

Alternatively there are cleaning fluids that you mix with the fuel (diesel)

MPfive · May 31, 2013

Solenoid would be the main and first thing to look at. You can get away with cleaning it,but as there only a fiver to replace its easier just to go with a new one.

twizzle · Jun 1, 2013

now i have a problem i cant see the cut off Solenoid there is a plastic box with 3 wire's coming out of it is that something to do with it

MPfive · Jun 1, 2013

Yeah thats the one.you've got an anti tamper one.if I remember correctly Its got 3 wires because of the immobiliser system. There is a thread on here somewhere about changing one like that.

twizzle · Jun 2, 2013

cant seem to find the thread about it anybody

MPfive · Jun 2, 2013

Might be worth a google search. If I remember correctly you need to drill out the plastic to get to the solenoid. You can fit an older style solenoid,but you've got to find the live feed out the 3 wires or run another live feed on a switch.

running on

twizzle

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