From: Fred on
Hi,

Following on from my recent thread about p0400 and 401 diagnostic
codes. What's the best way to decoke the egr bits and pieces? The pipe
does have a sooty interior but it is only a thin layer; its not
narrowing the bore of the pipe.

The garage advised injector cleaner in the diesel but I read here to
use ATF instead. Any particular type of ATF, I thought I saw two
different types in the shop?

Or is there something better? Using google I found something about
carburetor cleaner but I'm too young to have driven a car with a carb,
so I know nothing about what carb cleaner is or what it is good for ;)

TIA
From: Nige on
Fred wrote:
> Hi,
>
> Following on from my recent thread about p0400 and 401 diagnostic
> codes. What's the best way to decoke the egr bits and pieces? The pipe
> does have a sooty interior but it is only a thin layer; its not
> narrowing the bore of the pipe.
>
> The garage advised injector cleaner in the diesel but I read here to
> use ATF instead. Any particular type of ATF, I thought I saw two
> different types in the shop?
>
> Or is there something better? Using google I found something about
> carburetor cleaner but I'm too young to have driven a car with a carb,
> so I know nothing about what carb cleaner is or what it is good for ;)
>
> TIA

What car?

--


Nige,

Land Rover 90
Yamaha R1
Range Rover Vogue

From: Fred on
On Fri, 19 Mar 2010 13:17:04 -0000, "Nige" <deead(a)btinternet.com>
wrote:

>What car?

C3
From: Harry Bloomfield on
on 19/03/2010, Fred supposed :
> The garage advised injector cleaner in the diesel but I read here to
> use ATF instead. Any particular type of ATF, I thought I saw two
> different types in the shop?
>
> Or is there something better? Using google I found something about
> carburetor cleaner but I'm too young to have driven a car with a carb,
> so I know nothing about what carb cleaner is or what it is good for ;)

Carb cleaner will be the quickest and most effective. You will also see
the results almost instantly.

I'm not sure how effective the injector cleaner might be, but ATF is
pretty much the same stuff except the cleaner has added ingredients
(paraffin?). That is intended to be put in the fuel tank.

--
Regards,
Harry (M1BYT) (L)
http://www.ukradioamateur.co.uk


From: Fred on
On Sat, 20 Mar 2010 08:14:38 GMT, Harry Bloomfield
<harry.m1byt(a)NOSPAM.tiscali.co.uk> wrote:

>Carb cleaner will be the quickest and most effective. You will also see
>the results almost instantly.

Thanks. I have been wondering about this. Why is carb cleaner good for
removing soot from an egr pipe? After all, the fuel mixing in a
carburettor is unburnt so there should be no need to remove carbon
should there?