I just got this 1990 Miata and drove it onto a trailer and off. Parked in garage couple days did buy new battery and started it up. Been sitting in garage probably couple weeks and went out today and would not start. It just keeps turning over but not firing up. If let it sit a bit and try it will fire up on first try but won’t keep running then back to it just turning over and not firing. Have any thought what is going on and need to check.
thank you for your help!

 

Welcome to the forum

 

Welcome to the forum.

You'll need to check to see if you are getting spark, and fuel, first........this will tell you what you need to investigate next. If the engine doesn't start, it's typically one or the other (spark or fuel).

 

Based on your first response the first thing is check fueling .

 

Okay I have a brand new battery and as I mentioned did sit for maybe couple weeks. It was turning over really good and if I waited at first turn of key would fire but that is it. When I turned key on I did notice said battery needed charged. Put a charger on and let it charge went out and started right up. Seemed was turning over really well before so guess needs a really good charge to start?
Going to check see if there is a draw on battery when sitting.
thank you

 

With this better problem description, it now indicates an electrical or battery problem or a combination of both?

A new battery does not mean it is a good battery. Unless you had it load tested before you left the shop you purchased from there is no telling its condition. Also some retail shops do no have a battery rotation schdule with their supplier. So your new battery may actually be much older then simply what that date "sticker" indicates. The date code of the battery is melted into the top and side of most all retail; avalible batteries. It is a long serial number and you must go to the battery manufactures web site to decode it.

Simply charging the battery does not mean it is a good battery on that that you can charge it to min. 12,50 + volts.