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M-m

Turns over but no spark

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Brandon-s
Posts: 4
Joined: Sat Sep 12, 2020 9:01 pm

Turns over but no spark

Postby Brandon-s » Sat Sep 19, 2020 7:34 pm

Hi there I was wondering if anyone could solve this problem. I recently purchas a Mazda MX5 MK1 that had been sat for 3 years. Being my first project I started by stripping the car and not working on the main problem that it did not run. After diagnosing that there is no spark I went and replaced the igniter, ECU and CAS to still find that there is no spark. I have also purchased a diagnostic tool to help diagnose; this let's me control the switch like fans and fuel pump however tells me these no fault and wont let me operate switch like clutch pedal or accelerator.

If anyone can help me with this it would be a massive help.

Many thanks
Brandon
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Re: Turns over but no spark

Postby Mazda Mender » Sat Sep 19, 2020 8:51 pm

First off welcome..
If you are getting no fault codes then simply becomes a case of a process of illumination by swapping components...
So she is defo getting fuel ? So spark and air next..are the coil packs ok? HT leads and plugs?..also AFM.
M-m
The Disclaimer:-
This post is a natural product made from recycled electrons. The slight variations in spelling and grammar enhance its individual character and beauty and in no way are to be considered flaws or defects, the articles/answers/comments are provided for information purposes and they are not intended to substitute informed professional advice, I or mazdamenders.net cannot personally be hold responsible for any damage occurred from following this procedure or any injuries from it. Proceed at your own risk.


Mk 1 Eunos 93 black V.S II 1.8 ,
Mk 2 .1/4 Roadster 99 black & gold V.S 1.8 .
Mk 1 Eunos 90 1.6 soul red ..f/ build
MK 2.1/4 Blue V.S Roadster 1.8 99 ..
MK1 1.8 ,white import.. (Ashleighs)
MK1 1.6 yellow J ltd import.f/build
MK 1 1.8 black Tokyo Ltd..f/build


http://www.mx5oc.co.uk/ http://www.mx5nutz.com/forum/ http://miata.net/ http://www.autolinkuk.co.uk/
Brandon-s
Posts: 4
Joined: Sat Sep 12, 2020 9:01 pm

Re: Turns over but no spark

Postby Brandon-s » Sat Sep 19, 2020 10:19 pm

Mazda Mender wrote:First off welcome..
If you are getting no fault codes then simply becomes a case of a process of illumination by swapping components...
So she is defo getting fuel ? So spark and air next..are the coil packs ok? HT leads and plugs?..also AFM.
M-m


I pulled the fuel line to the engine and it shot fuel everywhere, I have not take the injectors out yet, is that something worth doing? The car is definitely not getting spark I bought a tester for that and it confirms it. The HT leads show good ohms and the same with the coil pack.

Is there a list of things I should go thought to determine the problem with the spark ? As mention I replaced igniter, CAS sensor and ECU. Is there anything I'm not checking that could stop the spark sparking ?

Many thanks
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Mazda Mender
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Location: Pie land, in the glen of Wiganshire
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Re: Turns over but no spark

Postby Mazda Mender » Sat Sep 19, 2020 10:24 pm

Try a AFM.
M-m
The Disclaimer:-
This post is a natural product made from recycled electrons. The slight variations in spelling and grammar enhance its individual character and beauty and in no way are to be considered flaws or defects, the articles/answers/comments are provided for information purposes and they are not intended to substitute informed professional advice, I or mazdamenders.net cannot personally be hold responsible for any damage occurred from following this procedure or any injuries from it. Proceed at your own risk.


Mk 1 Eunos 93 black V.S II 1.8 ,
Mk 2 .1/4 Roadster 99 black & gold V.S 1.8 .
Mk 1 Eunos 90 1.6 soul red ..f/ build
MK 2.1/4 Blue V.S Roadster 1.8 99 ..
MK1 1.8 ,white import.. (Ashleighs)
MK1 1.6 yellow J ltd import.f/build
MK 1 1.8 black Tokyo Ltd..f/build


http://www.mx5oc.co.uk/ http://www.mx5nutz.com/forum/ http://miata.net/ http://www.autolinkuk.co.uk/
User avatar
Mazda Mender
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Posts: 15069
Joined: Tue Dec 06, 2011 6:18 pm
Location: Pie land, in the glen of Wiganshire
Contact:

Re: Turns over but no spark

Postby Mazda Mender » Sun Sep 20, 2020 9:50 am

Does she have a alarm system/immobilizer fitted?
M-m
The Disclaimer:-
This post is a natural product made from recycled electrons. The slight variations in spelling and grammar enhance its individual character and beauty and in no way are to be considered flaws or defects, the articles/answers/comments are provided for information purposes and they are not intended to substitute informed professional advice, I or mazdamenders.net cannot personally be hold responsible for any damage occurred from following this procedure or any injuries from it. Proceed at your own risk.


Mk 1 Eunos 93 black V.S II 1.8 ,
Mk 2 .1/4 Roadster 99 black & gold V.S 1.8 .
Mk 1 Eunos 90 1.6 soul red ..f/ build
MK 2.1/4 Blue V.S Roadster 1.8 99 ..
MK1 1.8 ,white import.. (Ashleighs)
MK1 1.6 yellow J ltd import.f/build
MK 1 1.8 black Tokyo Ltd..f/build


http://www.mx5oc.co.uk/ http://www.mx5nutz.com/forum/ http://miata.net/ http://www.autolinkuk.co.uk/
NeilJM
Just Run In
Posts: 32
Joined: Tue Nov 17, 2020 1:52 pm

Re: Turns over but no spark

Postby NeilJM » Mon Nov 23, 2020 12:20 am

I sometimes have trouble with the connector from loom to coil pack, and I've read other people have encountered this too. I'm new in terms of working on this car but it's common in other similar electronic connectors for the female terminals to open up. Worth a look?
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Mazda Mender
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Posts: 15069
Joined: Tue Dec 06, 2011 6:18 pm
Location: Pie land, in the glen of Wiganshire
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Re: Turns over but no spark

Postby Mazda Mender » Mon Nov 23, 2020 7:13 am

Mazda Mender wrote:Does she have a alarm system/immobilizer fitted?
M-m

?
The Disclaimer:-
This post is a natural product made from recycled electrons. The slight variations in spelling and grammar enhance its individual character and beauty and in no way are to be considered flaws or defects, the articles/answers/comments are provided for information purposes and they are not intended to substitute informed professional advice, I or mazdamenders.net cannot personally be hold responsible for any damage occurred from following this procedure or any injuries from it. Proceed at your own risk.


Mk 1 Eunos 93 black V.S II 1.8 ,
Mk 2 .1/4 Roadster 99 black & gold V.S 1.8 .
Mk 1 Eunos 90 1.6 soul red ..f/ build
MK 2.1/4 Blue V.S Roadster 1.8 99 ..
MK1 1.8 ,white import.. (Ashleighs)
MK1 1.6 yellow J ltd import.f/build
MK 1 1.8 black Tokyo Ltd..f/build


http://www.mx5oc.co.uk/ http://www.mx5nutz.com/forum/ http://miata.net/ http://www.autolinkuk.co.uk/

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