So lately my car's air/fuel gauge has been showing me running lean.... so here is the culprits that I think it could be... bad o2 sensors? bad gas? I recently put some Lucas fual treatment in.... so it may take time for that to go thru? bad fuel pressure reg? I dunno what else it could be? I recently replaced the fuel pump(walbro 255) and fuel filter as well... along with plugs and wires.... any suggestions? BTW its a 96 ex with the 15g greddy kit tuned with crome....