wont turn off

wiltshire landyman · Mar 10, 2012

well the ignition has been playing up some time on me 200 tdi but now it willl start on the key but wont turn off you have to put it in gear and stall it

i think it may be the faulty ignition switch,i took covers off to find a mash of wires,the blue wire has been cut and replaced with the red
and the black wire has been cut and left,the headlight main beam/dip work off a different switch but turn on on the stalk god knows why

so qs is is there a wire on the ignition switch i can put an inline switch into to turn engine off?

shocker · Mar 10, 2012

Obviously you have tried the stop solenoid , re ; the switch , Im sorry I dont have the 200 book with me but when I am home I will look it up .

wiltshire landyman · Mar 10, 2012

shocker said:
Obviously you have tried the stop solenoid , re ; the switch , Im sorry I dont have the 200 book with me but when I am home I will look it up .

no i havent tried that

shocker · Mar 10, 2012

Is there power at the solenoid ? if there is , try disconnecting and touching connector onto the solenoid and see if it clicks .

wiltshire landyman · Mar 10, 2012

shocker said:
Is there power at the solenoid ? if there is , try disconnecting and touching connector onto the solenoid and see if it clicks .

lets hope tomoro is as nice as today was weather wise so i can try and resolve this problem

thebiglad · Mar 10, 2012

wiltshire landyman said:
lets hope tomoro is as nice as today was weather wise so i can try and resolve this problem

Hello mate do you know where the stop solenoid is? Just in case, it(s on top of the injection pump and has one wire going to it.

It opens with voltage and when the volts stop, it closes - usually. This cuts off the fuel supply so the engine stops.

You could try rigging up a temporary cable from the solenoid to the battery, start the engine, then with it ticking over pull the wire off the battery and the engine will stop.

TDi 200 ignition switches -which includes the switch and all the wires terminating in a plug which gores into the cars loom, can be had for relatively small money.

We had one go on our first Disco and with this switch it was a very easy fix: STC1435 | Steering Column Lock and Ignition Switch Assembly

Good luck

Dave

wiltshire landyman · Mar 10, 2012

thebiglad said:
Hello mate do you know where the stop solenoid is? Just in case, it(s on top of the injection pump and has one wire going to it.

It opens with voltage and when the volts stop, it closes - usually. This cuts off the fuel supply so the engine stops.

You could try rigging up a temporary cable from the solenoid to the battery, start the engine, then with it ticking over pull the wire off the battery and the engine will stop.

TDi 200 ignition switches -which includes the switch and all the wires terminating in a plug which gores into the cars loom, can be had for relatively small money.

We had one go on our first Disco and with this switch it was a very easy fix: STC1435 | Steering Column Lock and Ignition Switch Assembly

Good luck

Dave

cheers for that i will try and eliminate all options tomoro

Freelaner · Mar 10, 2012

Could be the relay sticking too!

ratty · Mar 10, 2012

I rekon it'll be the fuel stop solenoid at fault. If you remove it and find a load of swarf in the back you're likely to find that your fuel pump is on the way out.

eightinavee · Mar 10, 2012

ratty said:
I rekon it'll be the fuel stop solenoid at fault. If you remove it and find a load of sarf in the back you're likely to find that your fuel pump is on the way out.

Yep - knackered pump.

wiltshire landyman · Mar 10, 2012

eightinavee said:
Yep - knackered pump.

a knackerd pump wouldnt cause the symptons its electrical which would suggest stop solenoid or ignition switch or maybe ignition relay theese are the 1st things i will be checking tomoro,will post my findings

eightinavee · Mar 10, 2012

wiltshire landyman said:
a knackerd pump wouldnt cause the symptons its electrical which would suggest stop solenoid or ignition switch or maybe ignition relay theese are the 1st things i will be checking tomoro,will post my findings

OK,the simple way to test is to switch off the key.When it doesnt stop,open the bonnet and pull the connector off the solenoid of the pump.If it still dont stop yer pump is knackered.I cant be bothered to explain why.

ratty · Mar 10, 2012

eightinavee said:
OK,the simple way to test is to switch off the key.When it doesnt stop,open the bonnet and pull the connector off the solenoid of the pump.If it still dont stop yer pump is knackered.I cant be bothered to explain why.

What he said ^^^^.

tombardier · Mar 10, 2012

you can actually just buy a new solenoid. never done it myself, but it's possible. if the solenoid's the problem, then it's got to be cheaper than buying a whole new pump!

ratty · Mar 10, 2012

tombardier said:
you can actually just buy a new solenoid. never done it myself, but it's possible. if the solenoid's the problem, then it's got to be cheaper than buying a whole new pump!

You are correct... Except that won't stop the swarf from the buggered pump jamming the new solenoid open.

jamesmartin · Mar 10, 2012

if you have metal swarf stopping solenoid working correctly pump is buggered but try pulling wire off solenoid to see if fault with ignition system ,to change a solenoid you need a 15/16 or 24mm open ended spannner with jaws ground down thin to get enough room to undo it

johnny curt 1 · Mar 10, 2012

you can pick up a new solenoid for pennies compared to a new pump

people reccon a solenoid can only fail in the engine stop position but ive seen a fair few instances where its failed in the engine run position

even if you do the pulling the wire off the solenoid thing and it does keep running its not nesecarily the pump at fault

if this does happen give the solenoid a couple of taps with the handle of a large screwdriver to see if the solenoid pin drops and shuts off the engine

ratty · Mar 10, 2012

johnny curt 1 said:
you can pick up a new solenoid for pennies compared to a new pump

people reccon a solenoid can only fail in the engine stop position but ive seen a fair few instances where its failed in the engine run position

even if you do the pulling the wire off the solenoid thing and it does keep running its not nesecarily the pump at fault

if this does happen give the solenoid a couple of taps with the handle of a large screwdriver to see if the solenoid pin drops and shuts off the engine

And when he removes it and finds all the swarf stuck to the back of it he can chuck a new pump in it to go with the new solenoid.

jamesmartin · Mar 10, 2012

ratty said:
And when he removes it and finds all the swarf stuck to the back of it he can chuck a new pump in it to go with the new solenoid.

to be fair i have had a few worn pumps and a few poor solenoids ,but more poor ignition switches

Dr_evil · Mar 10, 2012

wont turn off

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