Latest issue, My RR caliper decided to spring a leak. Fixed that today and I
attempted to go for a drive and I didn't make it half way down the block and
it died. Died 6 more time on the way back to the house. The car idled for
over an hour yesterday and did not reset. It was continued running when I
remounted the ECU assy without resetting which gave me the impression that
the flaky connection was cured.....NOPE. This is VERY frustrating. the car
is not much use when I can't even drive it to the corner.

Eric

On Mon, Jul 4, 2011 at 10:51 AM, Eric McCord <[email protected]>wrote:

> Steve - I hope you were successful!
>
> I decided to revisit some solder repairs I made without the aid of a
> magnifier.....found a couple that might have melted the coating under the
> solder. I have those repaired and ohmed out every pin to a common point on
> the board. I reinstalled the Link about 20 minutes ago and the car is still
> idling as I type this. I have not wiggled or drove it yet, I am going to see
> how long it stays running. Fingers, toes and eyes crossed here.......
>
> Eric
>
>
> On Mon, Jul 4, 2011 at 4:33 AM, Stephen Rigley <[email protected]> wrote:
>
>> 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
>>> >>
>>> >>
>>> >> _______________________________________________
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>>>
>>> >>
>>> >>
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>>> >>
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>>
>
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