engine noise

  1. G

    Engine noise

    Noise under valve cover. 2018 encore with LUV engine 156,000 km. I hear tick-tick-tick sound coming from under valve cover when idling. Noise is constant when cruising and accelerating but disappears when foot off throttle (high vacuum condition)
  2. E

    Diagnosis of Engine Noise/Performance

    1995 Park Avenue 3.8 with 250,000 miles. Running great on interstate at 75mph and cuts off. Pull off to side of road and attempt to start. Very rough crank and will not start. Try again and starts but runs extremely rough with entire vehicle shaking and shuttering. Turn off and wait...
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