Hello, I have a 85 Firebird with 2.8 Multiport, It floods terrible. I have changed the plugs, wires, dist. cap, rotor, fuel injector o rings, coil and fuel pressure regulator. None of this helped, I have checked the fuel pump pressure and it is in range, the car shows no trouble codes. I can unplug the mass air flow sensor and the car runs better with limited flooding but the engine still sounds like it is smothering. Any help you can give me will be greatly appreciated.

 

Not sure if this will help or not, but try unplugging the cold start injector. CSI Hope this helps

 

ok I'll give it a shot and let you know. thank you

 

So what ever happened to that flooding problem?Did unhooking the Cold Start Injector work? I have the same problem as long as it's plugged in, the car starts fine;don't plug it in and it floods like a siff.
Where I live, it gets cold fast and it is frustrating to have the car not start on the first try because if it doesn't , uh ohh...Damn!!!
Ron
New Brunswick
Canada

 

Haven't had time to try it yet hope to this week end I will let you know.

 

Tried the cold start injector, it did help some. so I changed it and the Mass Air Flow Sensor and thank goodness it runs great now. Thanks for all your help.

 

What do you mean you replaced the cold start injector, didn't know you could do that? Any info on that would be great. Thanks

And your welcome, glade to help

 

csi , no not the show , is held on the back by a bolt. It has th efuel liine going to it & the wire harness to it. A bytch to get to on the car, but easier w/the upper manifold off.

 

Project is right, its in the back pretty much under the distributor and tough to get to. But it worked. Thanks for all the help guys.