I honestly can't say, it was my neighbor under the hood. He had to work on his boat so he just popped over for a min to help. He did have a kit for checking the injectors but none of the test lights worked. He then put test light on it. I will try again after work tomorrow when he is around.
On Sat, Jul 14, 2012 at 7:12 PM, Bill Cardell <[email protected]> wrote: > ** > How did you put the light on it? You need to put an led type light > "across" both leads or ground the light and probe the "Not" white/red wire > while you crank. > > > Bill Cardell > Owner > Flyin' Miata > 1-800-359-6957 (sales) > 970-464-5600 (tech support) > www.flyinmiata.com > www.fmwestfield.com > > > ------------------------------ > *From:* Eric McCord [mailto:[email protected]] > *Sent:* Saturday, July 14, 2012 4:47 PM > > *To:* Bill Cardell > *Cc:* Ray; [email protected] > *Subject:* Re: '91 fires, won't stay on... > > we put a test light on one of them and it did not pulse. > > On Sat, Jul 14, 2012 at 6:40 PM, Bill Cardell <[email protected]> wrote: > >> ** >> How about if you put a noid light or led test light across the injector >> leads while you crank? Should pulse if you're getting a switched injector >> ground from the ecu. >> >> >> Bill Cardell >> Owner >> Flyin' Miata >> 1-800-359-6957 (sales) >> 970-464-5600 (tech support) >> www.flyinmiata.com >> www.fmwestfield.com >> >> >> ------------------------------ >> *From:* Eric McCord [mailto:[email protected]] >> *Sent:* Saturday, July 14, 2012 4:08 PM >> *To:* Bill Cardell >> *Cc:* Ray; [email protected] >> >> *Subject:* Re: '91 fires, won't stay on... >> >> yes >> >> On Sat, Jul 14, 2012 at 6:01 PM, Bill Cardell <[email protected]>wrote: >> >>> Do you have. 12 volt to the white/red wires going to the injectors? >>> >>> Bill Cardell >>> Owner, Flyin' Miata >>> Www.flyinmiata.com >>> 1-800-FLY-MX5s >>> 970-464-5600 >>> >>> >>> On Jul 14, 2012, at 3:40 PM, "Eric McCord" <[email protected]> >>> wrote: >>> >>> Latest update. If I spray carb cleaner into the intake tract it runs. >>> I also tried ANOTHER CAS. It dies when the spray is stopped. >>> >>> Eric >>> >>> On Sat, Jul 14, 2012 at 5:00 PM, Eric McCord < <[email protected]> >>> [email protected]> wrote: >>> >>>> I have both, but the Data Link Lab expired. I used it for another issue >>>> and then didn't purchase. I have since purchased it but have not received >>>> my key code yet. >>>> >>>> RPM changes on the keypad as well as INJ. I have +12 and ground at the >>>> MAP box with the key on. >>>> >>>> I have also tried it with the F/P to GND in the Diagnostic connector >>>> which keeps the pump on and I get the same symptoms. >>>> >>>> I just swapped out the connector at the CAS because one of the wires >>>> looked iffy, but no change. >>>> >>>> Eric >>>> >>>> On Fri, Jul 13, 2012 at 8:20 PM, Ray < <[email protected]> >>>> [email protected]> wrote: >>>> >>>>> Do you have a keypad or datalogger? If so, do all of the sensor >>>>> readings look normal at key-on before cranking? Do RPM and MAP values >>>>> change as expected and do the injector pulse width & ign advance look >>>>> normal during the brief run that you do get? Do you have gnd and +12v >>>>> power at the MAP box when the key is on? >>>>> >>>>> Since the engine fires briefly but doesn’t continue to run even with >>>>> the fuel pump jumpered to stay on, I’d guess that the plugs are firing, >>>>> and >>>>> the initial start is fueled by prime fuel but the ECU thinks that there is >>>>> high manifold vacuum or high coolant temp and isn’t supplying enough fuel >>>>> to continue running ... or maybe the fuel map in the ECU got hosed >>>>> somehow. The FP shutting off when the starter isn’t running says that >>>>> something is wrong with the MAP box or connections to it. Normally the >>>>> ECU >>>>> turns that transistor on in the map box to keep the FP relay energized as >>>>> soon as it senses RPM > 60. >>>>> *From:* Eric McCord <[email protected]> >>>>> *Sent:* Friday, July 13, 2012 11:39 AM >>>>> *To:* <[email protected]>[email protected] >>>>> *Cc:* <[email protected]>[email protected] >>>>> *Subject:* Re: '91 fires, won't stay on... >>>>> >>>>> Swapped out both the ignition switch and CAS. No change. I have >>>>> only used the Link. I also swapped out the fuel pump before purchasing a >>>>> fuel pressure guage. I am getting 40 psi at the rail at all times with the >>>>> key on. It is not looking like it is fuel related. >>>>> >>>>> Eric >>>>> >>>>> On Fri, Jul 13, 2012 at 2:35 PM, <[email protected]> >>>>> [email protected] < <[email protected]>[email protected]> wrote: >>>>> >>>>>> A long shot here, but it may be that the ignition switch is faulty, >>>>>> allowing to to start the car and then losing electrical contact, or >>>>>> perhaps >>>>>> the current from the ignition to the CAS has been interrupted. WAIT! >>>>>> You >>>>>> are using the Link now, but did you EVER use another method of engine >>>>>> management? Did you use an MSD? I recall long ago having a problem >>>>>> develop after I upgraded from the Bell Sys II to full FM II spec with >>>>>> link, >>>>>> and it turned out that old wiring for the MSD unit had developed a short >>>>>> (or some problem... was years ago!) >>>>>> >>>>>> LGO >>>>>> >>>>>> >>>>>> >>>>>> -----Original Message----- >>>>>> From: Eric McCord < <[email protected]>[email protected]> >>>>>> To: Mark Phillips < <[email protected]> >>>>>> [email protected]> >>>>>> Cc: miatapower < <[email protected]>[email protected] >>>>>> > >>>>>> Sent: Fri, Jul 13, 2012 11:54 am >>>>>> Subject: Re: '91 fires, won't stay on... >>>>>> >>>>>> No luck. I just replaced that transistor and it is still doing the >>>>>> same thing. >>>>>> >>>>>> Eric >>>>>> >>>>>> On Fri, Jul 13, 2012 at 10:41 AM, Eric McCord <<[email protected]> >>>>>> [email protected]> wrote: >>>>>> >>>>>>> I am off to the Shack. >>>>>>> >>>>>>> Eric >>>>>>> >>>>>>> >>>>>>> On Fri, Jul 13, 2012 at 10:39 AM, Mark Phillips >>>>>>> <<[email protected]> >>>>>>> [email protected]> wrote: >>>>>>> >>>>>>>> Yes. >>>>>>>> >>>>>>>> >>>>>>>> On 07/13/2012 10:28 AM, Eric McCord wrote: >>>>>>>> >>>>>>>> on yours it was T2? Did you just replace the transistor to get it >>>>>>>> back up and running? >>>>>>>> >>>>>>>> Eric >>>>>>>> >>>>>>>> On Fri, Jul 13, 2012 at 10:25 AM, Mark Phillips >>>>>>>> <<[email protected]> >>>>>>>> [email protected]> wrote: >>>>>>>> >>>>>>>>> The relay has 12 volts applied to one side of the coil with the >>>>>>>>> ignition on. When you jump F/P to GND you are taking the other side >>>>>>>>> of the >>>>>>>>> relay coil straight to ground bypassing the transistor. Normally the >>>>>>>>> transistor performs this grounding function (sinking current). T2 also >>>>>>>>> interacts with other circuity in the MAF box. >>>>>>>>> >>>>>>>>> This happened to me about 4-5 years ago on my '92. >>>>>>>>> >>>>>>>>> Mark >>>>>>>>> >>>>>>>>> >>>>>>>>> On 07/13/2012 10:00 AM, Eric McCord wrote: >>>>>>>>> >>>>>>>>> When I jump out the F/P to GND the pump stays on but I still have >>>>>>>>> the same symptoms. If that transistor drives the relay but I jump it >>>>>>>>> out >>>>>>>>> should that not run? >>>>>>>>> >>>>>>>>> Eric >>>>>>>>> >>>>>>>>> On Fri, Jul 13, 2012 at 9:54 AM, Mark Phillips >>>>>>>>> <<[email protected]> >>>>>>>>> [email protected]> wrote: >>>>>>>>> >>>>>>>>>> Hi Eric, >>>>>>>>>> >>>>>>>>>> I sent this out earlier but didn't see it repost. I apologize if >>>>>>>>>> its a repeat. >>>>>>>>>> >>>>>>>>>> There is a transistor in the Link box that replaces the AFM; it >>>>>>>>>> drives the fuel pump relay. It is an NPN transistor, is marked "T2" >>>>>>>>>> and may >>>>>>>>>> have failed. About $1.50 and a soldering iron to replace. >>>>>>>>>> >>>>>>>>>> Mark Phillips >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> On 07/13/2012 09:40 AM, Eric McCord wrote: >>>>>>>>>> >>>>>>>>>> I just swapped out the CAS and same symptoms. If it's a bad MAF >>>>>>>>>> box where can I get one of those? Since my Baja went down the Miata >>>>>>>>>> has >>>>>>>>>> been my only transportation and Kaitlyn and I are leaving in a week >>>>>>>>>> and a >>>>>>>>>> half for the dragon and our road trip. >>>>>>>>>> >>>>>>>>>> Eric >>>>>>>>>> >>>>>>>>>> On Fri, Jul 13, 2012 at 9:18 AM, Ray < <[email protected]> >>>>>>>>>> [email protected]> wrote: >>>>>>>>>> >>>>>>>>>>> Can also be that one of the two signals from the CAS is not >>>>>>>>>>> there. >>>>>>>>>>> >>>>>>>>>>> *From:* Eric McCord <[email protected]> >>>>>>>>>>> *Sent:* Thursday, July 12, 2012 6:21 PM >>>>>>>>>>> *To:* <[email protected]>[email protected] >>>>>>>>>>> *Cc:* <[email protected]>[email protected] >>>>>>>>>>> *Subject:* Re: '91 fires, won't stay on... >>>>>>>>>>> >>>>>>>>>>> Just checked that connector. It looked fine, I reseated it and >>>>>>>>>>> still have the same symptoms. >>>>>>>>>>> >>>>>>>>>>> Eric >>>>>>>>>>> >>>>>>>>>>> On Thu, Jul 12, 2012 at 9:07 PM, <[email protected]> >>>>>>>>>>> [email protected] < <[email protected]>[email protected]>wrote: >>>>>>>>>>> >>>>>>>>>>>> Have you checked the manifold pressure connection (heck! I >>>>>>>>>>>> think that's what its called - I can't remember!) ? If it comes >>>>>>>>>>>> loose, it >>>>>>>>>>>> may begin to fire and then die. On mine its the small box with the >>>>>>>>>>>> AFM-like connector (multi-pin) on the driver's side. >>>>>>>>>>>> >>>>>>>>>>>> LGO >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> _______________________________________________ >>>>>>>>>>>> Miatapower mailing list >>>>>>>>>>>> <[email protected]>[email protected] >>>>>>>>>>>> <http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower> >>>>>>>>>>>> http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>> ------------------------------ >>>>>>>>>>> _______________________________________________ >>>>>>>>>>> Miatapower mailing list >>>>>>>>>>> <[email protected]>[email protected] >>>>>>>>>>> <http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower> >>>>>>>>>>> http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower >>>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> _______________________________________________ >>>>>>>>>> Miatapower mailing list >>>>>>>>>> <[email protected]>[email protected] >>>>>>>>>> <http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower>http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> _______________________________________________ >>>>>>>>>> Miatapower mailing list >>>>>>>>>> <[email protected]>[email protected] >>>>>>>>>> <http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower> >>>>>>>>>> http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower >>>>>>>>>> >>>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>> >>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> Miatapower mailing list >>>>>> <[email protected]>[email protected] >>>>>> <http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower>http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower >>>>>> >>>>>> >>>>> ------------------------------ >>>>> _______________________________________________ >>>>> Miatapower mailing list >>>>> <[email protected]>[email protected] >>>>> <http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower> >>>>> http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower >>>>> >>>>> >>>> >>> _______________________________________________ >>> Miatapower mailing list >>> [email protected] >>> http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower >>> >>> >> >
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