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High Pressure Diesel Pump and Injector Replacements |
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Kiwiman
 
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  Member No: #164
Location: Wellington |
Sadly, my C6 is in the garage and will not start. My mechanic tells me that one of the injectors is leaking and the diesel fuel filter has lots of metal shavings in it, meaning that the HP pump may be compromised and need replacing. Has anyone had a similar issue and/or replaced these parts? If so, is it possible to replace parts with non-original Citroen? Kiwiman |
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cit-rotti
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 Member No: #3753
Location: Bayern |
...that is not good news. If the high-pressure pump really generates chips, then not only the pump and the injectors have to be replaced, but the entire rail system with all lines Also the tank and all forward and reverse lines. At least these parts must all be absolutely clean again. |
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MGmike
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   Member No: #3151
Location: South Queensferry |
I smell something funny! The filter (if in stalled correctly) is there to stop any of that junk getting to the HP side. A lift pump is very tolerant of contaminated fuel and a filter housing will always have some [%*^#@!] in it (on the dirty side). A single injector fault will not stop it starting but will effect it's running performance. The garage need to confirm the fuel pressure on the high side is adequate (which I suspect it will be if there are no error codes) and work from there. If the engine cranks adequately there are actually very few things that would prevent a start or at least a start attempt... Have you got anymore details on what happened when? |
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Kiwiman
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Member No: #164
Location: Wellington |
Well, quick answer, car lost significant power on motorway a couple of weeks ago with 'faulty depollution notice' and 'cruise control' not working. Put on transporter back to garage. Upon arrival car won't start and garage not getting any specific helpful error codes. Garage has had diesel experts have a look but still no clear conclusion. As above fuel filter has fillings in it. KM |
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C6Dave
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  Member No: #1
Location: Northumberland |
Kiwiman wrote ... Garage has had diesel experts have a look but still no clear conclusion. As above fuel filter has fillings in it. KM Did you ever get this resolved? |
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Kiwiman
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Member No: #164
Location: Wellington |
Kia Ora Dave, Thanks for your query and follow-up. More importantly thank you for all your efforts, and indeed more recently, for getting and keeping this web site up and running. Re the above, the high pressure pump was replaced, all six injectors replaced, fuel line all flushed and tank cleaned and dried. Not a cheap exercise but my 'French mistress' continues to treat me well having now clocked up c.225,000km, so a good out come. The conclusion was that somewhere along the line I had put diesel in which had a high water content and this had compromised the high pressure pump. I even tried to get my insurance company to accept a claim - but to no avail as I couldn't identify specific date, time nor location. KM |
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C6Dave
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Member No: #1
Location: Northumberland |
Kiwiman wrote ... The conclusion was that somewhere along the line I had put diesel in which had a high water content and this had compromised the high pressure pump. I even tried to get my insurance company to accept a claim - but to no avail as I couldn't identify a specific date, time nor location. KM Probably from contaminated fuel at a garage. It's not unknown if you look online and not a lot you can do about it as you can't test it. At least you saved the C6 |
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