Avoid Costly Engine Oil Leaks - Toyota Tacoma, 4Runner, FJ Cruiser - How To Replace PCV Valve

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Routine engine maintenance that's often overlooked on 4Runner, FJ Cruiser, and Tacoma. We show you how to remove and replace the PCV, or Positive Crankcase Ventilation valve. A clogged PCV valve can cause your engine to run sluggish, create damaging crankcase sludge, and allow internal pressure to cause major oil leaks.