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Old 05-14-2016, 10:38 PM   #1
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Default Oh no I'm a big dumb dumb, help?

OK so I have a 91 1.6 with a mspnp2. I got it dialed everything in and it has finally turned around for me with this project. So I had decided to clean the miata up. I degreased and cleaned the engine bay. Started it up it ran for about to min fine then it shut off. I was able to get it started again than it shut off and the relay packs on the driver side fender started buzzing like crazy so I shut the car off. I blew air in all connectors all dry. Now no start. I tested the coil pack and it's within spec primary and secondary. I checked plugs no water in boot. The plugs look fine . I also check the ground and it was tight however I didn't check resistance.
However I am getting no spark.

When I read the schematic it looks like the pcm feeds the coil pack directly. Why was the relay buzzing, could they be related? Any help would be appreciated.

I know I know I big dumb dumb. I tried to be careful around connectors etc. Oh and fuel pump is running and all fuses under hood and in car are good. The mspnp2 1,2 and 4 leds are on solid
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Old 05-15-2016, 12:51 AM   #2
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Does it run on stock ecu?
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Old 05-15-2016, 03:02 PM   #3
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Did you pull the ST_SIG fuse first?
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Old 05-15-2016, 04:03 PM   #4
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Did you pull the ST_SIG fuse first?
So I got it running. I disconnected all connectors last night and blew compressed air in all connections and left them open over night. I put dielectric grease on the connections and connected everything, it started up. I think the culprit was the ignitor.
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Old 05-15-2016, 04:18 PM   #5
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+1 for finishing the thread with a result. Too many threads are dead ends with no fix for others to find
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Old 05-15-2016, 06:59 PM   #6
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Awesome!
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Old 05-15-2016, 11:03 PM   #7
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+1 for finishing the thread with a result. Too many threads are dead ends with no fix for others to find
Thanks , yes I read through a lot of threads and a lot had no results. So I wanted to help the poor soul who tested the basic stuff and couldn't find resolve. Luckily our cars are super basic
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