Will a nissan d21 pickup, without the oxi sensor, run like its cold?

Wesleyttt

Member
my truck seems to idle a hair higher than it used to.
is it the cold weather? or maybe is it the oxisensor.
i can only tell if the engine is idleing higher do to sound for i dont have the meter since i have a base hardbody pickup.
When the temp needle gets to the center the trucks idling goes down a pinch.
its a 93 4 cylinder 2 wheel manual.
 
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