From swivel@shells.gnugeneration.com Thu Jul 29 22:48:26 2010 Return-Path: X-Original-To: Miatapower@miatapower.net Delivered-To: Miatapower@miatapower.net Received: from shells.gnugeneration.com (shells.gnugeneration.com [66.240.222.126]) by fieldcircus.milewski.org (Postfix) with SMTP id C2BD1DC000B for ; Thu, 29 Jul 2010 22:48:25 -0700 (PDT) Received: (qmail 11921 invoked by uid 1000); 30 Jul 2010 00:48:25 -0500 Date: Fri, 30 Jul 2010 00:48:24 -0500 From: miata@pengaru.com To: Eric McCord Subject: Re: Surge at idle and miss above 4k..... Message-ID: <20100730054824.GX3733@shells.gnugeneration.com> References: <2BDAD5AC-E0E8-468B-8A92-241AC4DC0C5E@yahoo.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.13 (2006-08-11) Cc: "" X-BeenThere: miatapower@miatapower.net X-Mailman-Version: 2.1.12 Precedence: list List-Id: Because Too Much is Never Enough List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 30 Jul 2010 05:48:26 -0000 Eric, Humor me and try spritzing water from a spray bottle onto the ignition wires and valve cover, not dousing the thing but just getting it all a little moist. Then immediately go out for some WOT > 4K pulls, see if this makes it worse and reliably reproducible. If it does, your high tension leads are simply leaking the electricity when the resistance is higher @ the spark plug. This is a boosted car, correct? Regards, Vito Caputo On Fri, Jul 30, 2010 at 01:27:26AM -0400, Eric McCord wrote: > I've got a wide band installed but not hooked up yet. I need to mod the link > ecu for wide band when I get home. I had a situation where I could not start > and no blower and wipers didn't work. Then while driving on the highway it > all started working again.....hence my ground problem diagnosis. > > On Jul 30, 2010 12:22 AM, "derf" wrote: > > I had symptoms that I thought for sure were caused by a bad fuel pump. > Intermittently, it would act like it was starving for fuel at anything > other than idle and would go after much hesitation at around 4k RPM. > $100 later (new Walbro pump) I realized that the fuel pump wasn't the > problem. > A $45 O2 sensor fixed the problem, though on my 1994. > If you can cut and splice wires then don't pay $150 for an O2 sensor. > Get the $50 unit and save a bundle. > _______________________________________________ > Miatapower mailing list > Miatapower@miatapower.net > http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower