Trouble code P0730 means:Incorrect gear ratio
Trouble code P0100 means:Mass or volume air flow circuit malfunction
Trouble code P0101 means:Mass or volume circuit range performance problem
the code is 1989 cadillac Devillle and i am not kidding
Trouble code P0741 means:Torque converter clutch circuit performance or stuck off
It means you put the wrong transmission in the car
p0412 Secondary air injection switching valve A circuit.
Trouble code P0011 means:"A" camshaft postion-timing-over-advanced (bank 1)
the key code for 1989 cadlillac
Problem with the EGR valve. Can be stuck open or closed, or loose wiring.
It means you poo your pants 1 million times while eating harrybos.
02 oxygen sensor circuit malfuction bank 1 sensor 1