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geobloke Member Since: 06 Nov 2012 Location: Nottinghamshire Posts: 4410 |
OK that sounds heart breaking, but before you send the ECU back check all the vehicle earths to chassis and put a dedicated earth in from the ECU to the battery. It might just be as simple as that...
Fingers crossed mate! Where in Welsh Wales are you? |
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29th Dec 2017 9:17pm |
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Clive Member Since: 21 Mar 2014 Location: Littleborough Posts: 467 |
Have you had water ingress into the seatbox where the ECU is?
I had a very similar thing with my previous Td5, not the fault codes, (I didn't have a code reader at the time,) but the relay chattering thing is very familiar. In my case it was electrical leakage due to moisture between adjecant connectors in the Header K109 that resides next to the engine ECU, the solution was to cut the offending wires out of the header and join them externally, (soldered together then a layer of heatshrink sleeving over the top.) |
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29th Dec 2017 9:33pm |
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Terry Member Since: 20 Nov 2017 Location: wales Posts: 19 |
Thanks for your replies guys,
some things i didn't mention in the original post. I have also earthed ecu straight to battery. opened cleaned and checked both header joints in the seat box and the header behind the coolant expansion bottle along with the adjacent earth. checked with meter the cable (yellow/black) for the glow plugs both with them plugged in and then unplugged cable is ok. and i have now replaced glow plugs as the original ones "all 4" were open circuit !!! new ones read 2.5 ohms. |
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29th Dec 2017 10:04pm |
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Terry Member Since: 20 Nov 2017 Location: wales Posts: 19 |
by the way no water ingress as was only ticking over on the drive when last running then morning after all this again !
by the way im in swansea. |
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29th Dec 2017 10:07pm |
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