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lean code

  1. A

    22% Lean on bank 2 HELP!

    So ive been running pretty lean to say the least. I misfire when stopped at lights or just stopped in general. I do have some acceleration loss of course. My computer also won’t throw a code although I know i’m running lean because of the live data on my scanner. I bought a smoke test machine...
  2. T

    Lean condition - only shows P0171 code

    Howdy, I'm fighting a lean code on my 2001 explorer xlt 4.0L v6 SOHC. The reader only shows p0171. I've cleaned the MAF sensor 3 times so far and changed the air filter. I had a K&N in there and I read the oil on them can keep mucking with the MAF. Now it's got a paper STP filter in it. After I...
  3. mfitz725

    Lean Condition Code

    My 94 XLT was giving codes 172 an 176,lean condition left and right sides. I replaced the o2 sensors and now am getting only 172 lean condition on the right side. Does anybody have any ideas?
  4. jeff spahn

    Never would have guessed this

    My 2000 Explorer started running very poorly last week. Since I am in the middle of an engine rebuild on my Porsche DD, I couldn't fix this car too. I hooked the scan tool up and got lean bank left and lean bank right so I narrowed it down and took it to my buddies shop. He told me...
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