Goddy454 Posted September 17, 2018 Share Posted September 17, 2018 Has anybody experienced a similar problem and what were your findings? I have a 2011 GU813 with an MP8 and I am getting an intermittent low fuel pressure fault causing a driveability issue. I had a fuel problem with this truck several years ago where i replaced the lift pump, overflow and aeration valve. At that time cant I recall if the problem was intermittent or constant but anyhow the issue was solved with replaced parts. I followed some posts on here where it was recommended to look for dirt by the ECM cooling plate banjo bolt. I did this and found no evidence of any dirt or debris. I opened up several other fittings to check for debris and found nothing. I looked in the fuel tanks and I do not see anything inappreciable. I removed the aeration valve and all appears to be ok, i will remove the overflow valve and check that tomorrow. Can anybody throw some more ideas at me or tell me if they had a similar experience. When I hook up my laptop everything is ok because the fault is inactive. Thanks in advance for any help anyone can provide. Quote Link to comment Share on other sites More sharing options...
Goddy454 Posted September 17, 2018 Author Share Posted September 17, 2018 I did forget to add to my post that i did change the lift again a week ago but to no avail the fault still exists. Quote Link to comment Share on other sites More sharing options...
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