I got some problems with the car. I just picked it up today and my friend was revving the car and he told me the rpm dropped all the way down to 0 and almost died but gained it back up to 1k. I was thinking on seafoaming my car pretty soon, timing belt, water pump, spark plugs, coilpacks. what else should i be looking to change? Oh BTW car has 135,000

 

Yeah that's a good idea. Also you may have a bad or dirty IAC valve. That's a common thing on this car. It will cause the problem you are having. A dirty TB may as well.
Running some carb cleaner on those parts will clean them out. Or you can remove the TB assembly & do it off the car.

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