Technical ducato 3.0l po685

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Technical ducato 3.0l po685

jhorsf

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my van has just stopped and will not start it turns over and fires but will not run code read as po685 where is the main relay and what number is it?
 
What year is your van?

I would check for water ingress around the harness to the ECU and fuse box and maybe the throttle body, I would also check/replace both earth straps as these cause all sorts of electrical/starting issues


Mike
 
my 15 plate 3litre, keeps momentary cutting out, normally when accelerating & check engine oil flashes up when it does it (levels ok) any ideas please
 
its a 2009 they have checked all the connections ecu plugs etcall sound no signs of damp or corrosion the only thing found was the throttle valve was gummed up with carbon so they cleaned it and now it seems to run ok I do hope they have found the problem
 
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