This has a 3.2 liter engine that is running rich. KOEO baro reads 0.0 KOER baro varies from 15.7 to 18.8 at idle KOEO map reads 29.9 KOER map reads 12 to 14

Anybody know what the problem is. Dealer says nothing wrong with the PCM and recomended O2 sensor for... Login to read more.