300 Tdi auto discovery

talbotracer · Jun 17, 2024

i have a 1998 jap import Disco 300 Tdi Auto i do not have a chipped key or fob so it always locks on the key my problem is the central locking is not working and it will not start, it turns over all the windows radio etc work there is power to the pump solenoid (and i have taken it out and it works ok) but not to the electric thing on the side, i have check all the fuses and the one on the grey unit under the glove box, it will run on a bit of easy start so not mechanical but i am not getting fuel to the injectors, so any ideas even if i get it started and then work backwards
Thanks
ps it does not turn over in gear so not the park switch

resto_d1 · Jun 17, 2024

talbotracer said:
i have a 1998 jap import Disco 300 Tdi Auto i do not have a chipped key or fob so it always locks on the key my problem is the central locking is not working and it will not start, it turns over all the windows radio etc work there is power to the pump solenoid (and i have taken it out and it works ok) but not to the electric thing on the side, i have check all the fuses and the one on the grey unit under the glove box, it will run on a bit of easy start so not mechanical but i am not getting fuel to the injectors, so any ideas even if i get it started and then work backwards
Thanks
ps it does not turn over in gear so not the park switch

Edc related maybe? Dreaded 4th injector issue?

Kenbo · Jun 17, 2024

Have you checked that it's getting diesel to the pump by loosing the union? If so, this might be a common problem and which I've yet to read of a solution. Most owners convert to a manual pump. I have bought a manual pump just in case I have this issue. I reckon if you had the right auto electrician, there has to be a solution. As mentioned, no 4 injector and it's wiring needs checked. These can be expensive to buy s/h on ebay but there should be breakers with one in stock. Maybe you could borrow one somewhere.

lynall · Jun 18, 2024

Remove the guts from the stop solenoid and try again.
Does the injection pump buzz with ignition on?

talbotracer · Jun 18, 2024

lynall said:
Remove the guts from the stop solenoid and try again.
Does the injection pump buzz with ignition on?

yes it buzzes, it stops when i disconnect the grey plug, but there is a white plug as well is there supposed to be power there

Kenbo · Saturday at 21:30

Hi, any luck with your starting issue?

talbotracer · Saturday at 22:18

Kenbo said:
Hi, any luck with your starting issue?

no we think it might be the ECU that controls the windows and other things, the one with the grey and green plugs

lynall · Sunday at 10:05

talbotracer said:
yes it buzzes, it stops when i disconnect the grey plug, but there is a white plug as well is there supposed to be power there

Pic might help?

talbotracer · Sunday at 15:00

Kenbo said:
Hi, any luck with your starting issue?

several people have said the pump might immobilized, hence no fue,l where is the relay/unit that does this and is it possible to hot wire the pump

Kenbo · Monday at 22:53

I'm no expert but I've never heard of anyone who can bypass the immobiliser, or even work on these pumps. In fact, is there an immobiliser on the Jap imports?
I wouldn't advise digging too deep on your pump, I did on an old pump and damaged a seal causing a diesel leak.

300 Tdi auto discovery

talbotracer

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resto_d1

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Kenbo

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lynall

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talbotracer

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Kenbo

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talbotracer

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lynall

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talbotracer

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Kenbo

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