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Car Forum / Citroen Cars / April 2006

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RE USING PARRAFIN/KEROSINE TO CLEAN INJECTORS.

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Ash - 30 Mar 2006 22:15 GMT
hi i believe its ok to use paraffin/kerosene mixed in with the diesel in the
tank, but what are the amounts to use safely.
the car i will be using it in is a citroen xantia,non turbo, i dont want to
put to much or to little in the tank as i believe to much will make the
engine run to hot ?.
thanks in advance.
                                ASH [uk]
Slim - 30 Mar 2006 23:03 GMT
Hi Ash.

Yes parrafin is an excellent cleaner, although I doubt if putting some
in the tank will do any good.

Some parrafin now has the same dye as red diesel put in with it,
(because people have been mixing parrafin with cheap oil and running
their cars on it,) this will taint the tank and if you ever get stopped
and checked, you will be caught for using red diesel, this will mean a
very large spanking!!!

Why not use one of the over the counter products. I have allways found
Forte products and Wurth products to be brilliant.

Take out the fuel filter and bin it.
Drain the fuel bowl
Fill the bowl with neat cleaner
Put in a new filter
Put the rest of the cleaner in the tank

Allways works best with low tank contents, as you will get a stronger
concentration.

If ever I had a car fail the MOT on emmissions, I would pop a couple of
tins in the tank, take the car for a short run and they allways passed.
Dont know what it does but it works.

Regards
   Slim
Rob Beech - 12 Apr 2006 17:17 GMT
> Hi Ash.
>
[quoted text clipped - 25 lines]
> Regards
>    Slim

another vote for Forte Products.
They aren't particularly cheap but why waste your time with cheap
alternatives and the job not work.
95% of the time forte treatments work (both petrol and diesel)
thumbs up for the other forte stuff aswell.

Rob
Ash - 12 Apr 2006 18:35 GMT
thanks rob for your info, i had wondered if anyone was going to reply [lol].
i have tried the over the counter injector cleaners but to do it regular it
can get a bit pricey, so i remembered some one had told me about paraffin
but not the amounts to use in the tank as for the spanking [lol] hum sounds
interesting.
thanks again.             ASH [uk]

>> Hi Ash.
>>
[quoted text clipped - 33 lines]
>
> Rob
Brian - 13 Apr 2006 08:42 GMT
> thanks rob for your info, i had wondered if anyone was going to reply [lol].
> i have tried the over the counter injector cleaners but to do it regular it
> can get a bit pricey, so i remembered some one had told me about paraffin
> but not the amounts to use in the tank as for the spanking [lol] hum sounds
> interesting.
> thanks again.             ASH [uk]

Years ago, before anti-waxing agents were regularly added to diesel fuel in
the winter, Peugeot used to recommend adding paraffin if waxing was
encountered. They said no more than 10%. They also suggested petrol at no
more than 5%, but of course warned that adding some fuels could be illegal
in some countries.
Whiskers - 13 Apr 2006 14:10 GMT
>> thanks rob for your info, i had wondered if anyone was going to reply [lol].
>> i have tried the over the counter injector cleaners but to do it regular it
[quoted text clipped - 8 lines]
> more than 5%, but of course warned that adding some fuels could be illegal
> in some countries.

Having accidentally had petrol put into the tank of my diesel ZX, I can
report that the results were ... interesting.  Loss of power and a lot of
noise, but apparently no damage.  The MOT (road-worthiness test) mechanic
shortly afterwards commented on the 'clean exhaust' ...

Signature

-- ^^^^^^^^^^
--  Whiskers
-- ~~~~~~~~~~

Adrian - 15 Apr 2006 14:39 GMT
> Having accidentally had petrol put into the tank of my diesel ZX, I
> can report that the results were ... interesting.  Loss of power and a
> lot of noise, but apparently no damage.  The MOT (road-worthiness
> test) mechanic shortly afterwards commented on the 'clean exhaust' ...

<erk>
VERY IMPORTANT WARNING...

You can get away with a cockup like that on an older diesel, like a ZX -
usually - but you will NOT get away with that on a modern common rail
diesel.

If you even CONTEMPLATE starting the engine - no matter how briefly - with
petrol in the tank of a common rail diesel, you WILL get a bill for several
thousand pounds for (at the very minimum) an injection pump.
Slim - 15 Apr 2006 17:41 GMT
Sorry to disagree with you Adrian.

My mate bought a brand new Peugeot HDI diesel about six months ago.

Being used to petrol he was carefull for about a month, then got slack,
he put £20 worth of petrol in the near empty tank, after realising
what he had done, he filled to the brim with diesel.

Driving home he made it about 6 miles, this probabally being the filter
full and the lines, then the car just stoped! no noises or stutters, he
says it was just as if the ignition was turned off. He tried to start
it but no go.

Then came my phone call, I went out and pulled him home.

We drained out the tank, lines and the filter bowl, Re filled with with
fresh deisel and it started first turn of the key, not what I was
expecting.

Using this car as a taxi, he has now done about 20'000 trouble free
miles in it.

So sorry it wont allways balls the engine up.

My only thoughts are that the electric probes and magical bits envolved
with the modern common rail engines, picked up the wrong signals from
the exhaust and shut the engine down.

Waddaya think????????

Regards
     Slim
Whiskers - 15 Apr 2006 19:19 GMT
snip

> So sorry it wont allways balls the engine up.
>
[quoted text clipped - 3 lines]
>
> Waddaya think????????

I would expect that putting petrol through a diesel engine would produce
unusually hot exhaust gasses, which could be the load bangs I heard when
it happened to my engine.  If there were sensors in the exhaust manifold
and a computer programmed to protect the engine against meltdown, then the
engine probably would be cut off.  My tank only had a gallon or two of
petrol amongst several gallons of oil, so I may have got off more lightly
than your mate.

There is less energy in petrol than in oil, so the mechanical parts of the
engine should be able to take the pressure; the exhaust system may not
like the temperature of petrol burning along the tubes though.

Signature

-- ^^^^^^^^^^
--  Whiskers
-- ~~~~~~~~~~

egondalia@gmail.com - 13 Apr 2006 14:45 GMT
> Years ago, before anti-waxing agents were regularly added to diesel fuel in
> the winter, Peugeot used to recommend adding paraffin if waxing was
> encountered. They said no more than 10%. They also suggested petrol at no
> more than 5%, but of course warned that adding some fuels could be illegal
> in some countries.

Is it not tru that INJECTOR CLEANER is a mix of  90% paraffin (kerosene
in US) with 10% automatic transmission fluid as upper cylinder
lubricant, [this was not posted by me, but on another forum]
egondalia@gmail.com - 13 Apr 2006 14:45 GMT
> Years ago, before anti-waxing agents were regularly added to diesel fuel in
> the winter, Peugeot used to recommend adding paraffin if waxing was
> encountered. They said no more than 10%. They also suggested petrol at no
> more than 5%, but of course warned that adding some fuels could be illegal
> in some countries.

Is it not tru that INJECTOR CLEANER is a mix of  90% paraffin (kerosene
in US) with 10% automatic transmission fluid as upper cylinder
lubricant, [this was not posted by me, but on another forum]
Ash - 14 Apr 2006 11:03 GMT
thanks guys for your help re the use of parrafin to clean injectors on my
xantia.
to brian regards the composition of the over the counter cleaners, i had
suspected they where mainly made up of parrafin as well, suppose i will have
to try it and see.
                                                       ASH [uk]

>> Years ago, before anti-waxing agents were regularly added to diesel fuel
>> in
[quoted text clipped - 7 lines]
> in US) with 10% automatic transmission fluid as upper cylinder
> lubricant, [this was not posted by me, but on another forum]
Theo van Riet - 14 Apr 2006 15:09 GMT
> thanks guys for your help re the use of parrafin to clean injectors on my
> xantia.
[quoted text clipped - 14 lines]
> > in US) with 10% automatic transmission fluid as upper cylinder
> > lubricant, [this was not posted by me, but on another forum]

Take care parafin is something differnet in France too.

Theo
Adrian - 15 Apr 2006 14:37 GMT
> to brian regards the composition of the over the counter cleaners, i
> had suspected they where mainly made up of parrafin as well, suppose i
> will have to try it and see.

Doesn't taste like Paraffin to me.
 
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