NB Miata start issues after warm up

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NB Miata start issues after warm up

Postby RayS296 » Mon Sep 27, 2021 9:21 am

I have a 2000 Miata with 76k miles, drove only 1500 miles last year so mostly short trips once or twice a week.

Recently, I'm having an issue where I will first start it with no problem but if I run a quick errand and go to start again, it will just crank for a while. It eventually starts after a few tries. I'm afraid it will eventually not start and will kill my starter etc. Any idea where I would start? Maybe I just need to clean the intake etc? It runs perfect otherwise or after a few hours.
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Re: NB Miata start issues after warm up

Postby Brian » Mon Sep 27, 2021 10:56 am

Any codes?

Otherwise start with the basics, clean and gap plugs and replace as needed, plug wires too. Consider new coil/ignitor if over 50k miles on what is in there. Clean throttle body (see miata.net threads with pics) including idle air control valve.
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Re: NB Miata start issues after warm up

Postby RayS296 » Mon Sep 27, 2021 11:45 am

No engine codes, thanks for the other input.
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