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p0171&p0174 codes

  1. Ugh! Any sympathizers replacing cam sync?

    Thanks to everyone here and a big kudos over on the Explorer forums for great pics and instructions on replacing the cam synchronizer on my '95 Ranger 4.0L. All I can say after the experience is what a PITA. I know I'm not the fastest shade tree mechanic, but 10 hours over several days was not...
  2. NEED HELP 2000 4.0 w/Check Engine Light issues

    Any one that can help I would appreciate it alot. I have a 2000 Ranger with a 4.0 V6. It has had a Check Engine Light on for a while. Scanned it and got a P0171 and P0174 code(Bank 1 & 2 system to lean) I was told to clean the MAF sensor and after the second or third cleaning in 2 weeks didnt...

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