I got a problem with a '98 Camaro with 6.0 LQ9, AFR 225cc heads and Texas speed Stick4 cam previously a tuned the car and all work fine but recently the car got a problem with ECT sensor and O2 sensors and the car don´t change to power enrichment mode, the ECT sensor and O2 sensors problem was corrected but the car still without change to PE mode, when i start and scan the car it said Open Loop not ready and 10 minutes later it change to Clossed Loop and never go to Open loop and the car is running lean at WOT.
I need your help i don´t know what is the problem?