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What did you do to your MX5 today ?

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Re: What did you do to your MX5 today ?

Postby Steve » Sun, 12 Aug 2018 6:25 +0000

Pops wrote:Thanks guys, it’s good to get back on the road and,nearly as important, back to work .
Well done Steve getting it through the nct, what’s the chances of it failing in a couple of months


Ha, funnily enough he suggested I leave the pass sheet on the passenger seat when I go again ;-)

Took the car out for a good burn today and visited Galway Cars n Coffee.

Think my right rear caliper might be dragging... again (it was new before I parked it :roll:). I didn't feel it but the smell was pretty strong and wheel hot (well... they all were, just hotter than the rest).
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Re: What did you do to your MX5 today ?

Postby Steve » Mon, 13 Aug 2018 11:21 +0000

I've been having an intermittent issue for about 10 years (those on the trip to Barcelona will remember this), car is cutting out at random. Sometimes won't happen for a few days, then maybe several times within a few miles. I've tried repairing it in the past by rewiring a lot of the grounds to the ECU and resoldering the ECU connector pins on the board. Last night it cut out 3 times within a mile... which was fine as I was half expecting it and I've been carrying a length of wood (can't remember it's mazda part number) to bang the passenger footwell to get it going again on the fly.
Today after some study (forum reading and prodding things while the car was running to see when it would die), I removed it and resoldered up a few components, paying most attention to the injector drivers and the grounding bar they are mounted on. After reinstalling it in the car I couldn't get it to die... so things might be good. Think I'll carry the ECU beating stick for a bit still just in case.
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Re: What did you do to your MX5 today ?

Postby Pops » Tue, 14 Aug 2018 1:27 +0000

Well done, most people would throw it away instead of trying repair first.
You could call the piece of wood the starting handle
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Re: What did you do to your MX5 today ?

Postby 93 Mk1 » Tue, 14 Aug 2018 7:31 +0000

Steve wrote:I've been having an intermittent issue for about 10 years (those on the trip to Barcelona will remember this), car is cutting out at random. Sometimes won't happen for a few days, then maybe several times within a few miles. I've tried repairing it in the past by rewiring a lot of the grounds to the ECU and resoldering the ECU connector pins on the board. Last night it cut out 3 times within a mile... which was fine as I was half expecting it and I've been carrying a length of wood (can't remember it's mazda part number) to bang the passenger footwell to get it going again on the fly.
Today after some study (forum reading and prodding things while the car was running to see when it would die), I removed it and resoldered up a few components, paying most attention to the injector drivers and the grounding bar they are mounted on. After reinstalling it in the car I couldn't get it to die... so things might be good. Think I'll carry the ECU beating stick for a bit still just in case.


A classic case of dry joints on the circuit board perhaps. I hope it's fixed for you: intermittent faults can drive a person demented ! Is that the standard ECU or an aftermarket job like Megasquirt etc ?
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Re: What did you do to your MX5 today ?

Postby Steve » Tue, 14 Aug 2018 10:11 +0000

Yeah am hoping it was a dry joint, difficult to know. It's a link ECU that was supplied by flyin Miata (with their software specific to the mx5).
Lots of reading here if you are interested : https://www.yumpu.com/en/document/view/ ... -on-90-97-

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Re: What did you do to your MX5 today ?

Postby Steve » Tue, 14 Aug 2018 10:14 +0000

Pops wrote:Well done, most people would throw it away instead of trying repair first.


True and I very nearly did a few times myself but figured I'd give it a go as I couldn't break it more than it already is ;-)

Pops wrote:You could call the piece of wood the starting handle


Ha! :D
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Re: What did you do to your MX5 today ?

Postby mrges » Wed, 15 Aug 2018 1:46 +0000

We'll done. Intermittent faults are a killer, I can imagine it will be very satisfied if that's it sorted!


I had an intermittent (and short lasting) suspension rattle in a car before - ended up taking it to a garage, they drove, pushed it up and down, put it up on the ramp.... . and nothing. I drove it away and all was fine. Two days later there it was back in all its glory. Never got to the bottom of it.
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Re: What did you do to your MX5 today ?

Postby Pops » Tue, 21 Aug 2018 12:43 +0000

BTW, I never use a sponge - they are ripe for leaving micro scratches and swirls (which, of course, REALLY show up on black/dark coloured paint). I'd recommend a lamb's wool mitt, or nothing less than a microfiber wash mitt. Sponges tend to move any dirt they encounter around/over the surface.
Mrges I took your advice and got a wash mitt and microfiber cloth, used the same simoniz suds to do the work car, mitt to wash it & dry it with the cloth , so much better
B09343E7-AA91-4434-A3EC-D90586251033.png

11D4F643-849B-4990-A155-0A27DD579E44.png

Still can’t add pictures, have to use a screenshot of the pic
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Re: What did you do to your MX5 today ?

Postby mrges » Tue, 21 Aug 2018 4:57 +0000

Niiiice..... and a lovely shine!
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Re: What did you do to your MX5 today ?

Postby Pops » Wed, 22 Aug 2018 3:02 +0000

Ta , hopefully I might be able to keep it something like that
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Re: What did you do to your MX5 today ?

Postby Steve » Wed, 22 Aug 2018 7:40 +0000

Wow, looks great!
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Re: What did you do to your MX5 today ?

Postby Steve » Mon, 27 Aug 2018 10:27 +0000

unlike Pops, the force is not strong with my polishing skills... so I've dropped the car off to 2m automotive detailing today to have it resanded and polished. Its been sitting outside with little love given to it for the last 2 years so the paint is 40 shades of red/pink.
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Re: What did you do to your MX5 today ?

Postby 93 Mk1 » Mon, 27 Aug 2018 10:49 +0000

Steve wrote:unlike Pops, the force is not strong with my polishing skills... so I've dropped the car off to 2m automotive detailing today to have it resanded and polished. Its been sitting outside with little love given to it for the last 2 years so the paint is 40 shades of red/pink.


I don't believe you Steve.....I want to see photos as proof or it didn't happen ! :D :D :D (You know we love photos on here !)
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Re: What did you do to your MX5 today ?

Postby 93 Mk1 » Mon, 27 Aug 2018 10:54 +0000

I removed the instruments that the car came with from Japan all those years ago: Mazdaspeed dials and red illumination. I swapped them with standard items, supplied by Master Maguire, and the green illumination is a nice change. I will hoard these away for safe keeping.

Image

Hmmm, now to consider removing the white side reflectors and side repeaters.....
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Re: What did you do to your MX5 today ?

Postby Steve » Mon, 27 Aug 2018 11:52 +0000

93 Mk1 wrote:
Steve wrote:unlike Pops, the force is not strong with my polishing skills... so I've dropped the car off to 2m automotive detailing today to have it resanded and polished. Its been sitting outside with little love given to it for the last 2 years so the paint is 40 shades of red/pink.


I don't believe you Steve.....I want to see photos as proof or it didn't happen ! :D :D :D (You know we love photos on here !)


pics to follow :-)
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