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fuel trims

  1. Fuel trims, Crank and Camshaft malfunction?

    Problem Reports
    My car has had issues with rough idle and acceleration hesitation in the past. the only codes I was throwing before was P0300 & P0400 So I replaced the: TPS, entire Distributor, spark plugs and wires, crank position sensor, IAC, EGR and manifold (there was a crack in the side) No more random...
  2. Monitoring Fuel Trim

    Reading on the MAF-T Discussion thread, I ran across jbasol's post: So I decided to hook up my OBDII reader + ELMScanner: And there are actually 2 short term and 2 long term fuel trims that come up. Are...