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misfire

  1. General Xterra
    I have an 11’ xterra x with 171000 miles. Just bought it and almost immediately it started to act up. Obvious misfire at higher speeds. Vibrates really bad on hwy. ran codes and started by doing a tune up. Changed all plugs and all coils. Changed valve cover gasket. Took my propane torch all...
  2. Electrical
    Need some help on this one... Cylinder 1 ignition coil-on-plug consistently overheats and ruptures causing misfire. Even with new spark plug. New coil lasted approximately 40 miles before rupture. Only OBDII code is for cylinder 1 misfire. Power distribution is in series to all coils from...
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