tyvtec23

i have a ls in a crx, im getting fuel, im getting spark, the main relay is good, i even plugged the map sensor from the firewall onto the throttle body map sensor and still nothing i have bought countless wire harness's and nothing, i really dont get why it doesnt wanna start, its just cranks and cranks, i noticed the ecu was blinking red could that be the problem?? this is my third posttt