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code 13

774 Views 2 Replies 2 Participants Last post by  dnhracing
hoping you guys can help out. i have a 86 taurus 3.0 in the shop with a rolling idle. intermintent stalling, intermintent high idle. isc checks fine. code 13 comes up on koer test with snap on modis. definition is cant control idle during self test. all tests lead to a bad computer. throttle body is clean, base idle is set.
thanks , tony
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i slapped a reman ecm in it today. right before quiting time. seems to be better. still have to re-run tests. i hate changing puters when it dont fix the problem!
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