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  1. Powertrain & Driveline
    I have an 07 SE with auto trans with 96k on it. I recently had an issue with rpms dropping low when returning to idle so I replaced the maf. It took care of that issue, but it seemed to have a little throttle lag, but I thought maybe I was just being paranoid. Today I noticed a very slightly...
  2. Powertrain & Driveline
    In my limited knowledge of fuel trims (still learning), I've been trying to find what is causing a reoccurring lean condition P0171 on my '11 Xterra. It is a weird one for a couple of reasons: 1. First code threw, I cleared it, then it came back 2 months and 1500 miles later 2. LTFT/STFT on both...