I just had the galley gasket and timing chain and water pump replaced also put new spark plugs cars running worse then before help any solution before I take it in to a dealer

 

how long ago was the fix?

 

About a month an half maybe first it had code p0524 low oil pressure codes went away with the galley gasket fix them it was p0300 random misfire changed the spark plugs 1of them was covered in oil now it's p0011 erased the code cars running fine but that code sent the car into limp mode I'm stick on what to try next