Luther, My cars will exhibit precisely those symptoms when I get a bad batch of bio, or if temps go below cloud point. Thanks, Bruce
Luther Gulseth <[EMAIL PROTECTED]> wrote: My SD has it's moments of fuel pressure loss. You can be crusing down the interstate and suddenly feel a power loss that lasts less than 1/2 second...something exactly like taking your foot off and back on the throttle. Also, at cold start it's very rough and needs to have enough throttle to keep at least 800-900 RPM to run somewhat smooth and not die. Glow plugs are barely 2 years old and the injector pump and injectors were replaced by the P/O (maybe 50kmi ago). I've replaced all the rubber fuel line from tank to primer in the last 8 months. I'm thinking from my experience in the semi-diesel world that I have a lift pump that's weak. I read 07.1-145 "Checking fuel pump and bypass valve" and it seems that the bypass valve can get clogged and needs to be cleaned and the spring lengthened to increase tension. Is there anyone else that has had an issue similar to this where cleaning the bypass valve fixed the issue or did they have to replace the fuel pump? (btw fuel, primer, & lift...they all mean the same thing in the big diesel world) TIA all, -- Luther KB5QHU Alma, Ark '83 300SD (230,xxx kmi) '82 300CD (158,222 kmi) '90 300E & '82 300D (parts or run?) _______________________________________ http://www.striplin.net For new parts see official list sponsor: http://www.buymbparts.com/ For used parts email [EMAIL PROTECTED] To Unsubscribe or change delivery options go to: http://striplin.net/mailman/listinfo/mercedes_striplin.net Bruce 82 300CD 334kmi 'His' 85 300CD 240kmi 'Hers' 75 240D 202kmi 'Donner' 77 240D 204kmi 'Blitzen' --------------------------------- Yahoo! Autos. Looking for a sweet ride? Get pricing, reviews, & more on new and used cars. From [EMAIL PROTECTED] Mon Jan 30 20:35:39 2006 Received: from pop-sarus.atl.sa.earthlink.net ([207.69.195.72]) by server5.arterytc5.net with esmtp (Exim 4.52) id 1F3fkR-000607-Lw for [EMAIL PROTECTED]; Mon, 30 Jan 2006 20:35:39 +0000 Received: from user-10mt01r.cable.mindspring.com ([65.110.128.59] helo=earthlink.net) by pop-sarus.atl.sa.earthlink.net with esmtp (Exim 3.36 #10) id 1F3fkP-0003uk-00 for [EMAIL PROTECTED]; Mon, 30 Jan 2006 15:35:37 -0500 Date: Mon, 30 Jan 2006 15:35:35 -0500 Mime-Version: 1.0 (Apple Message framework v553) From: John Berryman <[EMAIL PROTECTED]> To: Mercedes Discussion List <[EMAIL PROTECTED]> In-Reply-To: <[EMAIL PROTECTED]> Message-Id: <[EMAIL PROTECTED]> X-Mailer: Apple Mail (2.553) X-Antivirus-Scanner: Clean mail though you should still use an Antivirus Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit X-Content-Filtered-By: Mailman/MimeDel 2.1.6 Subject: Re: [MBZ] '83 300SD unreliable fuel delivery X-BeenThere: [EMAIL PROTECTED] X-Mailman-Version: 2.1.6 Precedence: list Reply-To: Mercedes Discussion List <[EMAIL PROTECTED]> List-Id: Mercedes Discussion List <mercedes_striplin.net.striplin.net> List-Unsubscribe: <http://striplin.net/mailman/listinfo/mercedes_striplin.net>, <mailto:[EMAIL PROTECTED]> List-Archive: <http://striplin.net/pipermail/mercedes_striplin.net> List-Post: <mailto:[EMAIL PROTECTED]> List-Help: <mailto:[EMAIL PROTECTED]> List-Subscribe: <http://striplin.net/mailman/listinfo/mercedes_striplin.net>, <mailto:[EMAIL PROTECTED]> X-List-Received-Date: Mon, 30 Jan 2006 20:35:39 -0000 On Monday, January 30, 2006, at 02:55 PM, Luther Gulseth wrote: > I've never had a quality issue with their fuel. There's a first time for everything. Johnny B. I Mac Therefore I am