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  1. R

    96 explorer 4.0 rough idle on every start

    Plugs might be next Have you replaced the spark plugs recently? If one of those isn't firing correctly, the engine has a tough time at idle. That could also explain why it's too rich/lean. If you do change the plugs, might as well change the wires as well. That'll take you the better part of an...
  2. R

    96 explorer 4.0 rough idle on every start

    02 Sensor I had this same exact problem. Replace all your O2 sensors, as they pretty much go out at about the same time. The problem should be fixed then. Also check your hoses and stuff too, it's all routine maintenance.
  3. R

    What's up guys?

    Hey guys, I'm a new guy to this forum. Call me Rocky or Rocko, those are my nicknames for some odd reason. I've owned my exploder for a little over 3 years now, and got it from my dad who owned it for about 4 or 5 before I did. On top of that he's got one of the 3rd generation ones, so I know my...
  4. R

    01 sport CE light

    hmmm I had a similar problem. Anywhere between 80-110k the O2 sensors take a dive. Check spark plugs if you haven't replaced them recently, vaccuum hoses to make sure there isn't a leak. Get the codes read, and it will tell you which O2 sensor is bad. If one is bad, replace them all at the same...
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