Hi,

You may remember I posted about my diesel C3 that had lost power. I
had the codes read and they were turbo under pressure and an EGR
fault. You kindly suggested I had a leak. You were right. The garage
finally found that the pipe from the turbo has a broken seal and most
of the pressure was escaping out the back.

They think that because there was not enough air getting into the
engine, the car was effectively running rich and this has caused the
EGR bits and pieces to clog up with soot.

I did see inside the EGR pipe and the walls were black. Is this not
normal?

Rather than charge me for cleaning them out, they have suggested a few
good runs and a thousand miles later the engine may have cleaned
itself.

Does this sound good and right so far?

They have suggested I add an additive to clean the pipes when my fuel
runs low. Do you recommend any brand in particular and if I wanted to
try some DIY cleaning of the EGR pipe what would you suggest?

Thanks.

Fred wrote:

Most car shops sell fuel system cleaners , i found the best to be a
tank of biofuel ,the amount of shit that got flushed out of my tank
was unbelievable and the van was only twelve months old

On Sat, 24 Oct 2009 10:40:55 +0100, Fred <fred (AT) no-email (DOT) here.invalid>
wrote:

Yup.

If it's not in the pipes then it's in your fuel filter & that clogs a lot
faster than pipes.

On Sat, 24 Oct 2009 09:53:18 GMT, "steve robinson"
<steve (AT) colevalleyinteriors (DOT) co.uk> wrote:

Hi. When you say "fuel cleaner" do you mean a fuel additive? I have
seen Redex, Wynne's, etc in the shops; I just wondered if one was any
better than the rest?

Did you buy your biofuel from a pump or was it home made?

Thanks.

On Sat, 24 Oct 2009 13:18:06 +0100, "Duncan Wood"
<nntpnews (AT) dmx512 (DOT) co.uk> wrote:

Thanks. Do you suggest I change the fuel filter? According to Haynes
IIRC it should be changed by now (at 60000 miles?). When I tried to
buy one I could find anyone selling the 1.4L 16v HDI version, other
than the dealer and the price put me off. When the car was serviced
professionally, they never changed the filter, saying it didn't need
doing; how they knew that, I don't know.

Thanks.

PS. the engine light has just come back on with the same fault codes,
so I guess there's more to it than just a leaky pipe! ;(

On Sat, 24 Oct 2009 21:54:22 +0100, Fred <fred (AT) no-email (DOT) here.invalid>
wrote:


Check the EGR valve isn't sticking, & you could test if the filters
clogged by measuring the pressure drop across it, but I've never seen or
heard of it being done outside of the R&D phase, they're about £30 from a
Bosch agent.

Fred wrote:

Sainsburies B30 , 30% biofuel

On Sun, 25 Oct 2009 09:35:44 GMT, "steve robinson"
<steve (AT) colevalleyinteriors (DOT) co.uk> wrote:

I have seen that at the pumps but it also says to check with the car
manufacturer before using. Since I've had enough trouble with the car
already, I wasn't brave enough to try it. Would it work with my car;
which cars can't use it? What advantages/disadvantages are there over
"traditional" diesel. The prices were the same when I saw it. TIA.

Fred wrote:

Most citroens can use it , call the dealership if your worried

You get slightly better mpg , lower emissions , it as a cleaning
effect on the fuel system , they recomend you change the fuel filter
after you run a tankful through the engine

My filter was black with sludge and crap after i run a tankful
through on a vehicle that had only covered 24000 miles and was
eighteen months old

Downside biofuel causes africans to starve as we nick all the crops
for fuel

On Sun, 25 Oct 2009 11:04:57 -0000, steve robinson
<steve (AT) colevalleyinteriors (DOT) co.uk> wrote:

Also it tends to clog your fuel filter faster even on its own, other
effects depend on the engine & fuel system, everybody who makes engines
publishs the recommendations.