Hi, all:

I was sitting in the chat room, Peg brought a trouble vehicle. (correct me, Peg, if I got it wrong) It's 96 Ford F-150 4.9l. He said, MIL on, P0135, P0141, P0155, which are all HO2S heater's. All HO2S were replaced less than 6 months. I was thinking... Login to read more.