Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Might stump ya! 08 suburban 5.3l rich and evap › Reply To: Might stump ya! 08 suburban 5.3l rich and evap October 12, 2020 at 1:01 pm #986487 Will ParkerParticipant Oh and currently I have 2 monitors not ready EVAP and o2 (not the heated one).