reduced engine power

I have a detail in a 2005 pontiac grand prix with the gm 3800 series III. I discovered that the MAF sensor connector is broken, and when I turned on the car it turned on but indicated: "reduced engine power", I turned off the engine and when I turned it on again it marked "reduced engine power"...

I have a 2005 SV6. when it is cold outside the engine light comes on then Reduced Engine Power comes up on the display. After letting the van warm up to operating temp. I shut it off then restart. Engine light stays on but van is no longer in Reduced Engine Power mode and I can drive it. I get...

My 2005 Grand prix is displaying (reduced engine power) on the computer screen, The car will start fine and idle a lil funny but when the gas pedal is pressed nothing happens, any one have or had or know what this is??????