Reply With Quotehi, that is a low fuel pressure fault, obviously i cannot diagnose it from the other side of the internet but i can give you some guidens . firstly you should do a leak off test on the injectors they are know to leak back giving lower fuel pressure, check Mprop valve, all 3 fuel filters, and fuel pressure valve . if you have access to a diag machine that can read live data then let me know and i can help more
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Thread: MAN tgl 12-240 error EDC 3779-01
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3rd June, 2019, 08:03 AM #1DK Veteran
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MAN tgl 12-240 error EDC 3779-01
Hi guys..
I have a question for a MAN tgl 12-240...
I have EDC 3779, truck goes to safe mode, if I switch off and back on the engine the fault have gone....
What causes that? Any pressure valve? What is the most recent fault in that common rail?
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10th August, 2019, 09:33 PM #2Member
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10th October, 2020, 07:20 PM #3Newbie
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hi i have a man cats II diagnostic tool i need help with can you please assit
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