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Gap

Refer to Vehicle Emission Control Information (VECI) decal for spark plug and gap specifications. If a spark plug is removed for examination, it must be reinstalled in the same cylinder.
Spark Plug Type
Cylinders 1, 2, and 3 use a "PG" suffix. Cylinders 4, 5, and 6 use a "P" suffix. If a spark plug needs to be replaced, use only spark plugs with suffix "PP".
Left Side Original Spark Plug Flexible Fuel Engines AGSF12P
Gasoline Engines AWSF32P
Right Side Original Spark Plug Flexible Fuel Engines AGSF12PG
Gasoline Engines AWSF32PG
Replacement Spark Plug Flexible Fuel Engines ZZR1-18-110 or AGSF12PP
Gasoline Engines ZZM3-18-110 or AWSF32PP
Spark Plug Air Gap 0.042 - 0.046 Inch (in)