I resoldered about half the joints on the board at the weekend, did wiggle
test, did tap test, went for a drive, no reboot so far. Think I might have
it fixed, fingers crossed.
Steve

On Sat, Jul 2, 2011 at 4:27 PM, Eric McCord <[email protected]> wrote:

> I'm still beating my head against a wall with mine too. I can't get it to
> fail the same way enough to isolate the problem. I can get it to cut out
> wiggling the wires sometimes and other times by tapping on various
> components on the ECU. I was thinking of reinstalling my stock ECU and not
> starting but wiggling the wires to see if it's just wiring, but I don't know
> if the wire changes would somehow allow the stock ECU to fry a sensor.
> On Jul 2, 2011 11:13 AM, "Stephen Rigley" <[email protected]> wrote:
> > I resoldered just the connector pins this morning, ECU didn't reboot on
> > wiggle test but would when the cover was tapped lightly. So, its out
> again,
> > think I'll touch up all joints tonight. I'll be looking for a used board
> if
> > this doesn't work I guess.
> > Steve
> >
> > On Thu, Jun 16, 2011 at 8:02 PM, Jesus Lara <[email protected]> wrote:
> >
> >> **
> >> I was having the same problem for a few months. I finally went crazy and
> >> re-soldered every joint that was not shiny, clean and the correct shape.
> If
> >> it looked funny in any way it got wicked up and new solder put down. I
> >> redid at least a quarter of the board and the harness connector, going
> on
> >> four months and not one cut out (knock on wood).
> >>
> >> On 6/16/2011 12:22 PM, Eric McCord wrote:
> >>
> >> Latest update. I drove into work the other day and rebuilt the wire from
> >> the Link to the Keypad. Also, I re flowed one of the solder points on
> the
> >> keypad that looked like it might have been a cracked solder joint. When
> I
> >> drove home that night I had no cut outs. The next day I drove into work
> and
> >> it cut out once. Then on the way home it did it several times. Today I
> tried
> >> the wiggle test on all the wires I could think of, and it didn't cut
> >> out.......but it did twice while was just standing there. Something else
> I
> >> notice was when the Link resets it turns Security back on. Not
> >> very reassuring if the keypad dies out on the road.
> >>
> >> At this point my Miata is no longer dependable enough even just to drive
> >> to and from work, let alone taking me and my daughter out on 5k mile
> road
> >> trips like it has the past 2 summers. We were planing a NE trip this
> year.
> >>
> >> Eric
> >>
> >> On Tue, Jun 7, 2011 at 9:43 PM, Eric McCord <[email protected]
> >wrote:
> >>
> >>> I will try that, but I built a new cable using a round cable that is
> very
> >>> durable using new ends. I don't think the cable is the issue. If I
> >>> disconnect it and it still reboots that would rule it out.
> >>> On Jun 7, 2011 9:27 PM, "Ray Ayala" <[email protected]> wrote:
> >>> > And as somebody else already mentioned, don't forget a wiggle test of
> >>> the keypad cable at both ends. I've seen the connectors fail at both
> ends
> >>> and I've also seen the flat cable's insulation fail where the cable
> passes
> >>> under the ECU's cover.
> >>> > ----- Original Message -----
> >>> > From: Bill Cardell
> >>> > To: Eric McCord ; Stephen Rigley
> >>> > Cc: List, Miata Power
> >>> > Sent: Tuesday, June 07, 2011 10:57 AM
> >>> > Subject: RE: 91 Link FM2 cutting out and surging.....
> >>> >
> >>> >
> >>> > If it's rebooting, it's telling you where to look. You're losing
> power
> >>> or ground, so I'd be looking at main relay, etc.
> >>> > And Steve, you lucky bastard seeing the GP. Boring as it was.
> >>> >
> >>> > Bill Cardell
> >>> > TurboDog's Dad
> >>> >
> >>> > Flyin' Miata
> >>> > HELP FLYIN' MIATA GO TO TARGA NEWFOUNDLAND!
> >>> > Targa Miata Facebook page
> >>> > FMWestfield
> >>> >
> >>> > Sales 1-800-359-6957
> >>> > Tech 970-464-5600 Before you call, check out
> >>> http://www.flyinmiata.com/FAQ/
> >>> >
> >>> >
> >>> >
> >>> >
> >>> >
> >>> >
> >>>
> ------------------------------------------------------------------------------
> >>> > From: [email protected] [mailto:
> >>> [email protected]] On Behalf Of Eric McCord
> >>> > Sent: Tuesday, June 07, 2011 11:20 AM
> >>> > To: Stephen Rigley
> >>> > Cc: List, Miata Power
> >>> > Subject: Re: 91 Link FM2 cutting out and surging.....
> >>> >
> >>> >
> >>> > Steve,
> >>> >
> >>> >
> >>> > I had the ECU out this winter and there were no cold solder joints. I
> >>> was leaning that way last fall. I am starting to think that the problem
> is
> >>> centering around the connectors to the ECU. If your problem is the same
> then
> >>> taking out your ECU would have reseated the connectors when you
> reinstalled.
> >>> My car was dying continuously when I parked it. I took it for a short
> drive
> >>> after getting the WB02 hooked up and there was no cutting out. It made
> it
> >>> all the way to work yesterday without rebooting.
> >>> >
> >>> >
> >>> > Eric
> >>> >
> >>> >
> >>> > On Tue, Jun 7, 2011 at 1:02 PM, Stephen Rigley <[email protected]>
> >>> wrote:
> >>> >
> >>> > Hi Eric,
> >>> >
> >>> > I'm having very similar issues for the 2nd time, last time it was
> fixed
> >>> by retouching the solder on the connector pins on the ECU, MAP box and
> >>> Keypad.
> >>> > It started happening this time a few weeks ago, 1 hour into a 3500km
> >>> drive to the Spanish GP. Same thing every morning until we warmed up
> the
> >>> floor with the exhaust ;-) Until then, the car would die every few
> minutes
> >>> and I'd yell at my passenger to stomp the floor and off we would go
> again.
> >>> >
> >>> > Steve
> >>> >
> >>> >
> >>> > On Tue, Jun 7, 2011 at 5:42 PM, Eric McCord <[email protected]
> >
> >>> wrote:
> >>> >
> >>> > Surge turned out to just be a vacuum leak.
> >>> >
> >>> >
> >>> > Bruce - I already built a new cable. So that option seems unlikely.
> >>> >
> >>> >
> >>> > Ray - Unfortunately I lost my Link interface box years ago.
> >>> >
> >>> >
> >>> > Bill - Last fall I was talking with Kieth and he had me do as you
> >>> instruct. It rebooted. I was hoping the surge and reboots occurring at
> the
> >>> same time would have help me isolate the problem, but that isn't the
> case.
> >>> We are getting rain for the next few days so I will look at the wiring
> again
> >>> next chance I get.
> >>> >
> >>> >
> >>> > Eric
> >>> >
> >>> >
> >>> >
> >>> > On Tue, Jun 7, 2011 at 10:04 AM, Bill Cardell <[email protected]>
> >>> wrote:
> >>> >
> >>> > As Ray said, datalogs would help a lot. Something simple you can do
> is
> >>> select any window other than rpm in the keypad and leave it there while
> >>> you're driving. If the car cuts out, look at the keypad before you turn
> the
> >>> key off. Is it still in the window where you left it or is it now in
> rpm? If
> >>> rpm window, it means you have rebooted, so start looking at power and
> >>> grounds. Wiggle tests can help, as can a multimeter that gives you
> max/min
> >>> measurements so you can drive with the meter on say the 12v supply and
> then
> >>> look at the meter if the car dies to see if you have lost the 12v.
> >>> >
> >>> > Bill Cardell
> >>> > TurboDog's Dad
> >>> > Flyin' Miata
> >>> > 1-800-359-6967 (sales)
> >>> > 970-464-5600 (tech support)
> >>> > www.flyinmiata.com
> >>> > www.fmwestfield.com
> >>> >
> >>> >
> >>> >
> >>> >
> >>> >
> >>> >
> ------------------------------------------------------------------------
> >>> > From: [email protected] [mailto:
> >>> [email protected]] On Behalf Of Eric McCord
> >>> > Sent: Tuesday, June 07, 2011 12:53 AM
> >>> > To: List, Miata Power
> >>> >
> >>> > Subject: 91 Link FM2 cutting out and surging.....
> >>> >
> >>> >
> >>> >
> >>> > ok.....I finally got my 91 back out on the road. I have the WB02
> >>> installed and all seemed well on the drive into work (35 miles). No
> surging
> >>> at idle and no cutting out while driving. When I started home after
> work the
> >>> ECU drop outs started and the surging is back.
> >>> >
> >>> >
> >>> > I had the Link out earlier and checked for cold solder joints....none
> >>> found. I reseated the chip and checked all the connections at the ECU.
> What
> >>> could cause both the hunting for idle and dropping out the ECU causing
> the
> >>> engine to die? I am thinking a ground problem, but I wanted to float
> this
> >>> out to the collective to see if there is some other explanation.
> >>> >
> >>> >
> >>> > Eric
> >>> >
> >>> >
> >>> >
> >>> >
> >>> > _______________________________________________
> >>> > 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
> >>>
> >> at the connector on the ypad
> >>
> >>
> >> _______________________________________________
> >> Miatapower mailing [email protected]://
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>
> >>
> >>
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> >>
>
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