I dont know if you guys remember any of my previous problems, But the car is being stupid again. Today when driving, The car was warmed up and driving fine, I went to pass someone, and around 4500 rpm, there was a chime, like when the check guages light comes on, the car lost all power, and the speedo jumped 20 mph then back to normal. Then went back to driving fine. Then 2 times today, When driving around 30-40 mph or so, the car just dies, I throw it in neutral and it just cranks, wont start, turn the key off, then on, let it sit for a couple secs in the on position, then try to start and it fires right up and drives fine. I've had a CEL since the car started leaking antifreeze somewhere from either the intake manifold or somewhere around the throttle body, I am pickin up an ECM this weekend cause it has given me some problems in the past....Anyone have any ideas? Tranny related? Something to do with the cone filter or MAF screen removed? All my previous problems had seemed to go away after a trany fluid and filter change and the new cone intake and tube.

Remove, check, and clean all battery cable connections at both ends of the positive and negative cables.

Classic case.

Yeah I had a prob with that 2 weeks ago, And I tightened them both, I'll clean them tomorrow.

Corrosion has a habit of permeating the cable inside the insulation. It 'grows' in there.

So would that cause the "not want to start when cranking" right after it happens?

Ahhh! Well the car died twice just on the way to lunch, It chimes twice, tach goes up to 2 grand and it dies. Then at Sheetz, It wouldnt start, It would start and immediatly die. 5 tries, did it every time, went out and wiggled and tightened the cables again, After 2 more times it started.No CEL the whole time. I am past stumped right now, I dont know if its the intake manifold leaking thats causing the problem or what, or the cold temperatures messing something up. Im supposed to drive this thing 600 miles round trip in less then a week and I need to figure something out.

What Will said. Replace positive battery cable. I've had to do this with all 5 of my Pontiacs, including my Bonneville when it was only 5 years old, and my wife'* Grand Prix GT when it was only 4 years old. The positive cable gets eaten inside. Check your negative cable too, but generally it'* the positive one that gets eaten.

I had the same problems you did, even had the coolant leak near the throttle body.

This was the procedure done to my car:

1) Throttle Position Sensor changed. (This stopped the @#$#@ stalling)

If the leak looks like its coming from the throttle body:

Drain about a gallon of your coolant out
Remove and throroughly clean your throttle body (Intake cleaner, or throttle body cleaner)
Replace your Throttle body gasket (About 6 bucks)
Reinstall your throttle body.
If your coolant is clean, return it to the system, or add new coolant.

I haven't had to do manifolds yet so I can't help you with that procedure.

Something else you want to consider:

While I did all that other crap I listed above, I also changed my pcv valve, thermostat (OMG, it was the original and it WASN'T pretty, someone got a picture of it), plugs (were some brand nobody ever even heard of), plug wires (no longer resembled rubber), and my oil.

While you're fixing the major things which I suspect could be your issue (throttle stuff above), basic tune up maintanence can't hurt.

The way we noticed Mortehl'* throttle body leak was easy. We were aiming to remove and clean his throttle body and put on a HAI. When we did so, I asked him if he was aware of the green sludge pile on top of his trans. Directly under the TB was a pile of semi dried coolant. Made a nice little sludge pile like a watered down gremlin.

A quick TB cleaning and gasket later the problem is gone.

shorty...if your in indiana when i come home....i can help ya change the TB gasket...they like to leak on these cars....and i have done it on my L27