ES300 1992-1997

Spark Plugs

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Inspection



Specific to:

Lexus ES250 1990-1991

Lexus ES300 1992-1999


WARNING
Never use a wire brush for cleaning. Never attempt to adjust the electrode gap on used spark plug.

  1. Check the spark plug for thread damage and insulator damage. If abnormal, replace the spark plug.
  2.  
  3. Inspect the electrode gap. If the gap is greater than maximum specification, replace the spark plug.
  4.  

Removal & Installation



Specific to:

Lexus ES250 1990-1991

Lexus ES300 1992-1999

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the V-bank cover, as applicable.
  4.  
  5. Disconnect the spark plug cords at the rubber boot. DO NOT pull on the cords.
  6.  
  7. Using a spark plug wrench, remove the spark plugs.
  8.  

To install:

  1. Installation is the reverse of removal.
  2.  

 
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