4th gen swap running rich [Archive] - Toyota MR2 Message Board

starts, sensors, rich, codes, running, good, prime, relays, checked, marks, fuses, connected, wiring, loss, suggestions, great, burn, thinking, point, fine, idles, revs, deal, usdm, swap, 3sgte, cover, dent, fixed, eventually, idle, barely, floods, engine

2nd gen usdm to jam 4th gen 3sgte. so here is the deal, the car starts up and idles fine. Once it revs over 3k it starts running really rich and will barely idle and eventually floods out. Im not getting any engine codes (fixed the dent in the ecu cover) used to get codes before that. The ecu itself looks good there are no burn marks. Ive checked all the fuses and relays. all good there. The wiring was done through prime and all sensors are connected. At this point I