Hey guys I'm having a little problem figuring this one out. My car is running rich and has a rough/ surging idle. Not throwing any codes. I can start it up with put pressing the gas but eventually to keep it running till it warms up I have to press the gas. The idle get's so low that the car starts shaking like it's about to stall . No misfiring. I took off the maf to clean it ( pretty dirty) , I didn't have the torx bits so I took the whole thing out and sprayed it with maf cleaner and let...

1996 Mustang Gt running rich and rough/ surging idle