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High idle and reving problem 1983 280zx N/A


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Hey guys!

 

Well I don't know what to say about this, it's a weird ass problem.

 

My car will idle (on certain days) at 2k rpm, then it will rev up and down from 1500 to 2 k OVER AND OVER AND OVER.

 

Normally it will idle at 900, and it will be perfectly fine on some days, I have no idea what it could be.

 

I figured it was a vacuum problem with the throttle body or a timing issue or something, so I just took the thottle body out (it was filled with a layer of ****) cleaned that, and put it back in, also replaced tieh EGR valve and still the same problem.

 

For some reason I think it's related to weather/temperature/humidity?

 

has anyone had this problem?

 

The throttle body was my last hope, now I don't even know where to look.

 

Thanks!

Jordan

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