OK so im sure you guys know the symptoms by now, running rough , bad gas mileage, etc. etc., Basically I know the egr ports in the intake manifold need to be cleaned, fine, my problem is were would it be located (the clogged intake ports i guess), and also is the upper intake manifold gasket the only one ill need? any and all feedback is appreciated ..thanks in advance....

96 2.5 tl 18?,??? miles,

ps i have searched and even found some good info but usually the pics or the links dont work