From Bill@flyinmiata.com Fri Jul 30 06:46:40 2010 Return-Path: X-Original-To: Miatapower@miatapower.net Delivered-To: Miatapower@miatapower.net Received: from flyinmiata.com (mail.flyinmiata.com [209.181.77.46]) by fieldcircus.milewski.org (Postfix) with ESMTP id C65BE123C0A7 for ; Fri, 30 Jul 2010 06:46:39 -0700 (PDT) Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01CB2FED.A260BC26" X-MimeOLE: Produced By Microsoft Exchange V6.5 Subject: RE: Surge at idle and miss above 4k..... Date: Fri, 30 Jul 2010 07:46:38 -0600 Message-ID: <2EEBE11AD8F85D438932B597700270A8BDB326@sbserver.FlyinMiata.local> In-Reply-To: X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: Surge at idle and miss above 4k..... Thread-Index: AcsvqI3HP/knUkUrRhiRZh/L7UgoywARNgBA References: <2BDAD5AC-E0E8-468B-8A92-241AC4DC0C5E@yahoo.com>

From: "Bill Cardell" To: "Eric McCord" , "derf" Cc: Miatapower@miatapower.net 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 13:46:40 -0000 This is a multi-part message in MIME format. ------_=_NextPart_001_01CB2FED.A260BC26 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Not in front of a diagram, but the no start and no heater/wipers sounds like a description of a failing ign switch. Maybe multiple problems. =20 Bill Cardell=20 TurboDog's Dad=20 Flyin' Miata=20 1-800-359-6967 (sales)=20 970-464-5600 (tech support)=20 www.flyinmiata.com=20 www.fmwestfield.com=20 =20 ________________________________ From: miatapower-bounces@miatapower.net [mailto:miatapower-bounces@miatapower.net] On Behalf Of Eric McCord Sent: Thursday, July 29, 2010 11:27 PM To: derf Cc: Subject: Re: Surge at idle and miss above 4k..... 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: =09 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. =09 ------_=_NextPart_001_01CB2FED.A260BC26 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

Not in front of a diagram, but the no start and = no=20 heater/wipers sounds like a description of a failing ign switch. Maybe = multiple=20 problems.

Bill = Cardell
TurboDog's Dad =
Flyin' Miata =
1-800-359-6967 = (sales)=20
970-464-5600 (tech=20 support)
www.flyinmiata.com
www.fmwestfield.com

From: = miatapower-bounces@miatapower.net=20 [mailto:miatapower-bounces@miatapower.net] On Behalf Of Eric=20 McCord
Sent: Thursday, July 29, 2010 11:27 PM
To:=20 derf
Cc: <Miatapower@miatapower.net>
Subject: = Re:=20 Surge at idle and miss above 4k.....

I've got a wide band installed but not hooked up yet. I need to mod = the link=20 ecu for wide band when I get home. I had a situation where I could not = start and=20 no blower and wipers didn't work. Then while driving on the highway it = all=20 started working again.....hence my ground problem diagnosis.

On Jul 30, 2010 12:22 AM, "derf" <derf247@gmail.com> = wrote:

I had=20 symptoms that I thought for sure were caused by a bad fuel=20 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=20 RPM.
$100 later (new Walbro pump) I realized that the fuel pump = wasn't the=20 problem.
A $45 O2 sensor fixed the problem, though on my = 1994.
If you=20 can cut and splice wires then don't pay $150 for an O2 sensor.
Get = the $50=20 unit and save a bundle.

------_=_NextPart_001_01CB2FED.A260BC26--