i have a 2003 toyota sequia with a 4.7 engine replaced inj and still have prob on 2003 Toyota Sequoia

it also has several codes c1203,c1223,c1247,c1310,p0031,p0305 engine miss fires when any throttle is given at all and misses bad going up hills could this be something else triggering other codes thanks

Asked by for the 2003 Toyota Sequoia