So I finally got to work on my car today after waiting half a year to do so. I did an errand to get the engine warm and came back. I picked a hose that had vacuum in it, fitted a straw from a Mott’* juice box to extend my pick of hose into the bottle of the cleaner and proceeded to let it suck it in. Now just for reference of what hose I picked, it was the one that went from a device that’* in front and below the master brake cylinder. It goes up and meets at a T intersection where one end went into the firewall and the other goes to another intersection of hoses where it rises on top of where the air intake goes through and into the manifold. While it was sucking the cleaner in the engine did not skip a beat, maybe slightly dipping the RPM, but only after did I let it suck about ¼ to 1/3 of the bottle and revved the engine beyond 2000 rpm did it emit some smoke, but only a little bit. I took it for a 10 minute drive to let the system flush. I expected that by continuously sucking it in it would stall but like I said it just chugged along like there was nothing. Did I pick a wrong hose or something? Mayby not enough got in at once? I cant even get it to stall in this method!

Mayby I should have done the hose going from the evaporator canister?

you can also take the PCV valve off and pour it in there.

I hooked a hose up to the vacuum off the TB because I wanted it to get the TB cleaned a little too.

I know why, I never gave it the 5 minute shut down. Well brand me a dumbass. :P I did it again today and my neighbor freaked out of the smoke. I told him what it was and he said be careful with that stuff, but all he ever worked on was Fords. I hear they have a sensor that can go bad after a Seafoam, not sure if it was EGR sensor or what. It was the same thing when a guy seafomed his Bonneville here just a few months back on these boards. I guess Ford'* sensor has a greater tendancy to break.

I believe it is the o2 sensor that it fouls. I believe on any car it is wise to replace this sensor after you do the seafoam if you notice a change in gas mileage...for the worse.

I should seafoam right before I put the new cat and O2 in....thanks for the idea guys

Why, when i took my intake manifold off, the upper intake behind the TB was dirty as crap, but the intake ports on the LIM were clean?

so you should sea foam before you change the cat converter, as compared to after? hrmmmm..... i need to get me some of that stuff.

it says on the bottle that it will not foul an O2 sensor or plug your cat.

i believe that only applies to when you add it to the gas tank/oil not the vacuum system