[W126 Coupe] Fouled Spark Plug

[Markus Meyer]

My dealer was still able to get them recently.  If not, the NGK are a good
alternative.

Not sure if you can get resistor plugs and non-resistor wires instead.

Markus

On Tue, Sep 21, 2010 at 11:51 PM, Attila <attila13 at bellsouth.net> wrote:


>                  Hey Markus.  I recently ordered a set of W9DC plugs.

> When they arrived, the

>

>                 box said W9DC, but inside were WR9DC plugs.  Is it still

> possible to get W9DC

>

>                 or have we hit the end of the road, which is what I was

> told by my supplier.

>

>                 Can the resistors be removed from the spark-plug wires, or

> are they in the

>

> distributor cap?

>

>

>

> *From:* mbcoupes-bounces at mbcoupes.com [mailto:

> mbcoupes-bounces at mbcoupes.com] *On Behalf Of *Markus Meyer

> *Sent:* Tuesday, September 21, 2010 1:23 PM

> *To:* Mercedes Coupes Mailing Lists

> *Subject:* Re: [W126 Coupe] Fouled Spark Plug

>

>

>

> You may want to check the #4 injector as well, because a leaking injector

> can cause the spark plug to foul.

>

>

>

> Markus

>

> On Tue, Sep 21, 2010 at 1:12 PM, Henry Viveiros <henryviv at oigp.net> wrote:

>

> The #4 spark plug on my 1991 560 SEC fouls every now and then. I want to

> clean or replace it when I feel the rough idle.

>

>  I currently have W9DCO Bosch Super RO 882 gapped at 0.32. I have seen

> messages saying to use NGK BP6ES set at 0.042 and other suggested gaps

> from 0.032 to 0.055.

>

> What should I do?

>

>

> The MB Coupes Website!

> W126 SEC Mailing List

> Postings remain property of MB Coupes, L.L.C.

>

>

>

> The MB Coupes Website!

> W126 SEC Mailing List

> Postings remain property of MB Coupes, L.L.C.

>

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.pairlist.net/pipermail/mbcoupes/attachments/20100922/4beb599d/attachment.htm>