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Q:

list all sensor devices related to code 26 on 1995 Saturn SL1

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
do not know the diferance between SO and DO engine. Please clarify.
(1) Answer
dual overhead has spark plugs in the center of the valve cover. the single overhead has the plugs in the front of the head.

Roy