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]>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] > > 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]> 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] >>> *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]>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] >>>> http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower >>>> >>>> >>> >>> ------------------------------ >>> _______________________________________________ >>> Miatapower mailing list >>> [email protected] >>> http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower >>> >> >> >> >> _______________________________________________ >> Miatapower mailing >> [email protected]http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower >> >> >> >> >> _______________________________________________ >> Miatapower mailing list >> [email protected] >> http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower >> >> > > >
_______________________________________________ Miatapower mailing list [email protected] http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower
