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Discussion Starter #1
I think that I need to replace my power steer fluide, my question is what qind of oil i need to put in, and from where i can empty the old fluide.
Another question is about the EGR (I think that this is the name), It's located in the distaned part of the hood, its looks like a mushroom and i know that its suppose to take some gases and to bring them back to the engine, my question is, what execattly it is doing?
I've added some pics of the EGR and my PS pump...
 

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Under certain engine conditions, the egr valve will open to allow some exhaust gasses into the intake. This displaces the air fuel mixture, allowing for a cooler burn in the cylinder. This is to reduce Oxides of Nitrogen (NOx) from forming in the combustion chamber. NOx usually forms when combustion temps are 2500 degrees F or higher.

I'm not 100% sure about '93s, but I'm pretty sure they use Mercon in the PS system like most Ford's do.
 
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