NA (1989-1997) NA Miata discussion within. The MX5's first generation, the NA, sold over 400,000 units from 1989 to 1997.

1990!!!! Only

Old Feb 14, 2012 | 09:19 PM
  #11  
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Originally Posted by ruthless_one3k
Wait. So you mean to tell me that a 15 cent potentiometer from radio shack is not an effective way to add 25+ hp???
Worst, 15 cents, ever.
Old Feb 15, 2012 | 09:52 AM
  #12  
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Also have a problem with my oil pressure gauge it bounces all over the place. Wher can i find the problem. Maybe thers a loose wire somewhere?
Old Feb 15, 2012 | 10:04 AM
  #13  
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Originally Posted by doanuts
Also have a problem with my oil pressure gauge it bounces all over the place. Wher can i find the problem. Maybe thers a loose wire somewhere?
could be at the sensor itself or at the back of the gauge cluster. the sensor is beside the oil filter.
i have my intake off so in this picture you can clearly see the sender unit. but you should be able to get to it without taking the intake off
Attached Thumbnails 1990!!!! Only-b2f628f5-1.jpg  
Old Feb 15, 2012 | 10:43 AM
  #14  
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Does the problem seem to go away when you mess with your performance chip?

The oil pressure gauge can act as a bit of a knock sensor. Most knock will cause it to bounce all over the place. I wouldn't expect a stock engine that's well maintained to do that though, it's usually turbo engines.
Old Feb 15, 2012 | 11:18 AM
  #15  
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yea I have the same problem sometimes. the wire comes loose since it just dangles there like a foo.

Mazda used a straw to keep it straight, but nothing to hang it on for the 99s.

And yes before anyone asks, I have a stock modified OPG that works and doesn't have fluid. Doesn't help really, I got oil starvation once on track and never noticed it till I watched the videos. a low OPG light would do wonders, I just never get around to it, because I am usually smart enough to check my oil.
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