monitor

  1. H

    Oxygen sensor monitor

    Well hello to all the members. I have a 2011 Ram 2500hd 5.7 hemi with 146*** miles. I am in CA and I am trying pass SMOG but my O2 monitor is “NOT Ready”. I have no primary or secondary codes. I have followed the drive cycle many times already and no luck. I’ve looked over the forum and could...
  2. tap4154

    Do you trust the oil change indicator, or change early?

    Just curious, as I've never had a vehicle with an oil change monitor before. I got my first change at 5700 miles, the indicator said 37%. I've read on "advice" sites (Your Mechanic) that under light use Rams can go 7,500 to 10,000 miles (not km) between changes. I now have close to 6K miles on...
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