sierrafery · Nov 27, 2011

Hi all, i used the search facility... no joy

, Td4 keeps running for a few seconds after the ignition is off (randomly between 5 up to 15 secs) ... any oppinions on this issue from my brothers in the whole landrovers?

Dann · Nov 28, 2011

Very Strange but then you are in Transylvania. My guess would be that the Main (engine management relay) is staying activated briefly following ignition 'off'. I would substitute one of the other relays of the same type to test and if that proves that the original relay is good then I would check out the ignition switch function. D..

sierrafery · Nov 28, 2011

Thanks for that... i already advised my friend to get hold of a new ignition switch cos the car developped an erratic starting too but just when it's very hot... the relay theory is also very spot on, thanks.

angeloc · Nov 28, 2011

May sound daft but is your engine oil level ok? It is possible under some circumstances to have the engine suck up oil and rung on if it's overfilled.

Vissie · Nov 28, 2011

I've seen a case before where the fuel cut off solenoid on the back of the HP pump has become stuck. This can give a few seconds of run on i think.

Its the thing held in by 2xtorq bolts.

Herald · Nov 28, 2011

You should check the oil level. Blown turbo seals can let engine oil into the inlet manifold and cause this.

sierrafery · Nov 28, 2011

Thanks for all inputs guys... i'll follow all the advices...this problem is quite old...if it will dissapear i'll report back. Cheers

Vissie · Nov 28, 2011

Herald said:
You should check the oil level. Blown turbo seals can let engine oil into the inlet manifold and cause this.

If this would be the case, blown turbo seals are generally down to blocked crank case breathers.

ming · Nov 28, 2011

Vissie said:
If this would be the case, blown turbo seals are generally down to blocked crank case breathers.

Iagree with this , time to change the engine crank vent filter thing . . . .

sierrafery · Nov 28, 2011

Vissie said:
If this would be the case, blown turbo seals are generally down to blocked crank case breathers.

wouldnt that cause some running issues too? ... cos otherwise the car is running nice

ming · Nov 29, 2011

sierrafery said:
wouldnt that cause some running issues too? ... cos otherwise the car is running nice

seem to recall a thread on here a long time ago with the same issue ,infact if i'm not mistaken it was on you tube, anyhows it was to do with the crank case filter ,if i'm wrong i stand corrected

Dann · Nov 29, 2011

A new crankcase breather filter is always a good idea on these engines, they cost little and can save a lot of problems.

Vissie · Nov 29, 2011

sierrafery said:
wouldnt that cause some running issues too? ... cos otherwise the car is running nice

Well its not smoking so maybe 'blown' is the wrong word, but if small amounts of oil are being forced past the seals. Then the engine can continue to run normally until it damages the seals, they are pretty resilient.

sierrafery · Nov 29, 2011

Thanks for all inputs guys

Chaser · Nov 29, 2011

Inclined to agree with the fuel pressure regulator/stop solenoid theory. If it were turbo seals I doubt it would stop.

D3savage · Nov 30, 2011

This is 90% to be caused by burning engine oil as fuel. Check/replace breather immediately get BMW vortex type. If this does not cure ... it looks like turbo seals....I know a man who can do just the seals for you .... for around 150 quid ... if you remove turbo for him.

strange_days · Nov 30, 2011

Maybe someone fitted a turbo timer?

I'll get my coat

Chaser · Nov 30, 2011

D3savage said:
This is 90% to be caused by burning engine oil as fuel. Check/replace breather immediately get BMW vortex type. If this does not cure ... it looks like turbo seals....I know a man who can do just the seals for you .... for around 150 quid ... if you remove turbo for him.

But if it was running on oil from the sump would it not keep running until something shut off the oil supply or it ran dry?

Dann · Nov 30, 2011

Surely if it were running on oil then you would have mentioned excessive exhaust smoke? I still think that the injectors and fuel pump are continuing to operate briefly after ignition switch off and there is probably a simple way of proving whether this is the case. e.g. Pull the main relay or tap the inertia switch either of which should immediately stop the engine.

AllanI · Nov 30, 2011

I'm fairly sure that when I had this isue with my previous FL it was related to an injector being faulty. Amongst other things it was running rough just after start up and was running on after switch off. When I changed the injector it didn't run on any more.

Allan

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