+1 for this.
The other thing is to listen for the quality of idle, does idle quality change
when you loosen the injector? If it doesn't for #3 thats also an indicator that
its a problem.
-Curt
From: Meade Dillon via Mercedes <mercedes@okiebenz.com>
To: Mercedes Discussion List <mercedes@okiebenz.com>
Cc: Meade Dillon <dillonm...@gmail.com>
Sent: Friday, January 27, 2017 2:13 PM
Subject: Re: [MBZ] My 124 is idling rough (91 300D 2.5Turbo)
Larry,
According to what you just wrote about the volume of fuel from #3 vs the
other injector lines, the delivery valve for #3 is suspect, not the
injector.
-------------
Max
Charleston SC
On Fri, Jan 27, 2017 at 2:07 PM, Larry Turner via Mercedes <
mercedes@okiebenz.com> wrote:
> Thanks Curley. You're talking about removing the Injectors and that's
> something I have never done (never needed to til now).
>
> I have to decide how I want to proceed.
>
> BTW, before I learned the fuel lines were self bleeding, I cracked a
> couple of lines (maybe all of them) to see if I was getting fuel to the
> Injectors. I noticed #3 acting different than the others. The others
> squirted fuel from the threads (depending on how much I loosened the
> injectors) . So so while #3 might be a good place to start I need to
> repeat that process to confirm #3 has a weak stream of fuel.
>
> Let's say I have #3 definitely acting suspiciously - producing a dribble
> of fuel after loosening the nuts 1 or 2 full turns - which ever amount
> produces a good flow of fuel from the others. If #3 is showing a reduced
> amount of fuel getting to the Injector, I assume I have 2 options : having
> the Injectors tuned up/serviced as indicated my Max, or replaced with a
> rebuilt Injector? Are those my options?
>
> I have to decide how to have the work performed - I may be forced to R&R
> the Injectors myself and either install a new one or have this one tuned
> up. If that happens I'll need to get a lot more info about what is
> involved with R&R'ing the injectors. Plus I'll need to learn more about
> the special tools required. But we can address that later.
>
> Larry
>
>
>
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