[Supras] Very Dead 1986 MA70 Supra - Need Help !

[Gregg Bradstock]

How's the fuel pump?  I had that happen to me on the highway in an MK1.  I 
did not check codes, and maybe there would be one for the pump.

Good suggestion on the teeth jumper.  I mis-aligned one once and it had me 
scratching my head for awhile.

Gregg
87NA


>From: Don R <tsupra at frii.com>
>To: supras at supras.com
>Subject: Re: [Supras] Very Dead 1986 MA70 Supra - Need Help !
>Date: Tue, 08 Aug 2006 18:16:22 -0600
>
>if the timing belt is intact check to make sure the gears are lined up 
>properly with the
>crankshaft. i've seen the exact same symptoms on a car that the timing belt 
>had jumped a
>few teeth.
>
>Dave Koos wrote:
> > Well, the distributor (N/A) and CPS (turbo) is driven by the gears on 
>the exhaust cam.  Which coincidentally is driven by the timing belt that 
>runs around the cam sprocket!!!!! ;-)
> >
> > Yeah, 5 easy bolts and you can see if the timing belt is still intact.  
>But the engine will make a VERY different sound as you try to start it if 
>the timing belt has snapped!!  You'll only hear the whirr of the starter 
>spinning!!!  If it still sounds normal when trying to start it, then it may 
>be time to inspect the related electrical parts to make sure they're 
>functioning properly.  But in his case, the engine immediately shut off, 
>which is a pretty good indication that the timing belt may have snapped.
> >
> > HTH,
> >
> > Dave  92T & 84 P-type
> > Mesa, AZ
> > www.azsupras.com/suprattop.htm
> > www.azsupras.com
> >
> >
> > ----- Original Message -----
> > From: partialresponse at comcast.net
> > To: supras at supras.com
> > Sent: Tuesday, August 08, 2006 2:51 PM
> > Subject: Re: [Supras] Very Dead 1986 MA70 Supra - Need Help !
> >
> >
> > I wasn't aware that the distributor on the NA was driven by the timing 
>belt....I'm just an ignoramus I guess. If you've got no spark, the second 
>igniter could also be faulty. On the NA, it is not uncommon for a faulty 
>igniter to ruin the distrbutor. Of course, checking the timing belt is 
>easy.
> >
> > - Kofi
> >
> >
> > -------------- Original message --------------
> > From: "Supraman" <supraman88 at verizon.net>
> >
> >> My sentiments exactly...all the classic symptoms!
> >>
> >> ----- Original Message -----
> >> From:
> >> To: "Christian, Skip"
> >> Cc:
> >> Sent: Tuesday, August 08, 2006 1:40 PM
> >> Subject: Re: [Supras] Very Dead 1986 MA70 Supra - Need Help !
> >>
> >>
> >>> Yes, but have you checked that the distributor is spinning while 
>you're
> >>> cranking? My bet goes on timing belt...
> >>>
> >>> -Craig
> >>>
> >>> ---- "Christian wrote:
> >>>> Group,
> >>>> I hope there is still someone left with knowledge on non turbo
> >>>> MA70 Supras. My 1986 1/2 is hard down - quit while driving a steady 
>60
> >>>> MPH like the key was just turned off. When cranked, computer shows a
> >>>> code 12 (no Ne or G signal). I have a parts car that was running when
> >>>> parked 6 years ago. I have swapped coil, igniter, distributor, and
> >>>> computer. I have verified the correct resistance values for all three
> >>>> distributor pickups at the computer connector. I have, also, checked
> >>>> all fuses, circuit breakers, and fusible links that have anything to 
>do
> >>>> with the ignition. I have no spark and nothing I have changed has 
>made
> >>>> any difference. I did find one of the pickups in the original
> >>>> distributor was bad.
> >>>> I really need to get this car running as it is my primary
> >>>> commuter vehicle.
> >>>> Any suggestions ??? I am desperate......
> >>>>
> >>>> Thanks, Skip
> >>>> '86 & '88 NA Supras
> >>>>
> >>>> _______________________________________________
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> >>
> >>
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