99 honda accord v6 3.0 cranks but wont start
 

i have a 99 honda accord v6 3.0 engine , wouldnt start batterys cables were corroded when changing them a piece of starter chiped off , was using a wire to manually start it by touching starter and battery while someone turned the key but it started and worked fine temperary bought a new starter installed it and wouldnt start again after that only cranks acts like it wants to start but doesnt . need help please , here is the list of things ive checked and tried , new battery ,new main battery fuse , new starter , new map sensor , checked all relays and fuses , cleaned intake manifold all fuel injectors are cleaned and spitting gas out just fine , all spark plugs have spark , distributor was checked cleaned and put back on , sprayed starter fluid , put gas and injector cleaner in gas tank , reprogrammed the key for anti theft , also tried spare key, checked ignition wires , i cant figure what is wrong with car someone pls help me get it started