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Hi i have had two focus tddi's recovered to me with non start syndrom, the first one was in garage not so far away who had it for 4 weeks and failed to identify the cause.The owner then had it recovered from them to another garage who had it for 6 weeks, again unable to come to any satisfactory conclusion.
It was then recovered to me after a friend of mine had told the owner i was now working for myself and to try me.
I spent a very thoughrough week going over things i had already checked sometimes working into the early hours of the morning until i decided to get out a diagram of the pump so i could check what exaclty was involved in stripping it down.
Whilst doing this i became aware of the "edu" module, this is the electrical square block that is bolted to the top of pump.
I called Bosch who i have to add were not very helpful when i asked if it was a serviceable part to which the lady replied "no it is a complete unit"
Ok so if it is non serviceable then why does it have screws in it i asked to which she replied "to fix it to the pump"...
The screws were not for securing it to the pump, their purpose was to hold the top cover plate on, so what is under that i thought???
Upon opening it up i very quickly realised it was some kind of circuitry with a clear gel covering it but was at a loss as to how i could test it so local breakers here i come.
Got the Edu, for free i have to add as it was attached to an old pump that was lying on the floor in the dirt and mud, got it home gave it a clean and set about fitting it.
There are four wires at rear of pump, two for advance retard and two for the spooler.
Carefully cut these wires, i staggered the cuts so i knew which wires were which then connected them with crimp style barrel connectors, can be a bit tricky geting to these wires but it can be done.
Out come my trustee old laptop complete with Ford IDS and i set about virginising the edu (clearing the original vehicles data from it) then marrying it up to customers tddi.
All in all it took about ten or so mins for it to complete.
I turned ignition off then back on, waited for glows to do their thing and cranked it.
She spun for roughly ten seconds with no sign off life and just as i was about to let the key off it coughed, then spluttered in came into life.
Customer still driving it without any probem and i had another one shortly afer that first one and apparently its a common fault on the tddi although autodata does not list it as an issue.
I now keep three mor four of the edu modules in at all times now just in case, all donors from scrap cars of course but its beats buying a new pump which is what most garages and bosch will tell you.
If i can help any more please let me know
Good luck
Brian (midnight motors)
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