Hi,
I'm not sure if this is the place to put this, and if it's not, I apologise in advance. Please tell me about any related websites that I may get help from. The reason I put it here is cause it says it's a "Ford" immobisation system.
I bought a used Honda Prelude and the vehicle immobilisation system has started acting up. Basically, the engine turns, but it doesn't start. However, for some reason, it does start sometimes in the evening. I decided to pull out the wires connected to the Immobiliser, and there were two boxes connected - both had Bosch marked on them, from 1993. Between the wires, there was a "Ford" relay-type thing - It was a small yellow cube connected between the wires of this immobiliser.
Taking this all out, the vehicle still refuses to start most of the time. The Prelude is a fuel-injection version (It's a 2.0L fuel injection petrol manual "K" reg) - I'm starting to get the sudden feeling there's a third box somewhere or in some form other than a box, but I've spent three days looking for it, and haven't found it, so dunno.
How would I be able to make the car start again? I want to completely get rid of this immobiliser and probably put a more modern one in. But getting someone else to do it would cost £££...
Any help would be appreciated.
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Are you sure it's the immobiliser that is the problem? It's clearly an aftermarket fitting and without a circuit diagram I don't think you will make any progress.How on earth will you know what each lead does and where it goes to? Try and find out the supplier of the immobiliser and ask them to check it for you.You run the risk of spending half your life sorting it out yourself. I wouldn't waste your money fitting a new one but that's up to you. Could it not be an ignition problem? or fuel supply? Mikey
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Have a look inside the boxes with the Bosch markings as they were prone to cracked soldered joints which can easily be repaired.This system was fitted to many Fords of that time and the symptoms of internal joint failure were the same as you are experiencing.By the way,you need to check each soldered joint carefully with a magnifying glass.
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