Need Help KA24E limp mode

[palmer s13]

guys iv tried everything coolant temp sensroe TPS brand new MAF dual cam maf altama maf
just put the new single cam maf on today and when its colds it limps at 4.5k and when it warms up to running temp it goes down to 1.5k checked the codes on the ecu and its throwing 55 for no malfunction
i have no idea what to do
im going to try swapping O2 sensors thats the only thing else i can think of

HELLPPP !!!!!

[palmer s13]

update* if i didnt state this in the last one i got a sohc MAF from advance and it runs better at idle but still in limp mode

today i tried re running the ground for it lil progress at idle but still yet its in limp mode i check the ecu and its still throwing code 55 for no malfunction

come on guys i could use some advice here before i give up on this car and sell it -__-