Technical Immobiliser problem on Ducato motorhome

[ThorRoger]

Thanks for the reply. I now realise that you are still in hibernation mode!

I have received a lot of good advice here and just want to comment that my wife and I have not been able to use our dear Fiat 1.9.td 2002 model motorhome this year. We are 66 and 73 years old and have had health problems. We are going on tour from 9 - 14 August at a music festival that we bought tickets for in December 2022, and I will try out the advice I have received in here. I have bought tools, wires and connectors to try everything out. So thanks for all the advice. I will also take pictures of what I do and post here how our motorhome is doing. Our problem is that the car does not start when it is warm. So to everyone who has given me advice, I wish you a continued good summer.

 

[Danlebath]

Odd, I always thought my 1999 2.8 intercooled turbo diesel was mechanical fuel injection. I checked when I bought it, and was assured it was. But there you go, thanks for the advice & info.

 

[Communicator]

I think that he was interpreting my description inncorrectly. The common rail 2.8jtd (8140.43s) was introduced in 2000.

 

[Ago2005]

Now I have been and tried out one of your ideas. Cool down what I think are reasons why the car won't start hot. I used cold water. Let the car get really warm, turned off the engine and tried to start again. The engine revs, the immobilizer light comes on and it won't start. Pour cold water only on the diesel pump. Trying to start. The immobilizer light goes out and the engine starts. Very hot in the engine compartment but the diesel pump had become cold from the water. So the error lies there. I haven't found the solenoid and I couldn't see the whole diesel pump as the hoses for the cooling system are in the way.

Just to show what I have to keep up with, I have three photos.
First picture I hope shows an exit for a hose?? In picture no. two, I try to show the diesel pump, but the entire right side is under two hoses for the cooling system. The last photo is of wires that are red and behind the wall there is a fuse box that I should replace. It is a crack in the upper left corner. This is probably all I have done now before winter, so now the car has to sit until spring. Thank you again for all the help you have given me. If I had it at a workshop in Norway, the money would have gained wings and nothing would have happened.
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Good morning. I have the same problem as you. From the photo I recognize that I have the same type of Bosch pump. I tried to force the box that protects the solenoid but I think it is impossible to unlock it because it is made of metal. How did you solve it?

 

[Communicator]

Good morning. I have the same problem as you. From the photo I recognize that I have the same type of Bosch pump. I tried to force the box that protects the solenoid but I think it is impossible to unlock it because it is made of metal. How did you solve it?

If you search you will find that the cover fixings have to be ground out. See post #29.