Idle problems

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Idle problems
Peaches avatar
Peaches
+1y
I have a 92 Spacecab with a FI 2.6.  It is idling very high and i can not seem to figure out the problem.  All the vaccum lines have been recently replaced and it didnt help the situation.  If anyone has any suggestions i would greatly appreciate it.
ETNSFLT avatar
ETNSFLT
+1y
I have just the opposite problem. My '93 Isuzu idles low and rough. I guess I could adjust the idle but is that going to fix the problem?