idle control valve?

My 1992 Ranger is giving me a ISC code but idling has no problems. Checked for vacuum leaks and found a minor one and repaired it. Check engine light still comes on off and on only when im driving. Never when it is parked. I tested my ISC solinoid its reading at 9.5 OHMs. I am at a loss on how...

finally got a guy to fix my truck. he said the starter was bad so bought a new one and my wiring was bad so put my engine on 0" top dead center and wired the distributor, set the timing and now it starts up strong but now when i turn the key on run it rev's and when i turn the key to the on...