5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

koeo results

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Old 02-03-2009, 08:58 AM
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zippo2341
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Default koeo results

this morning i did my first ever koeo test on my car (95 GT), and need some help. I peformed the test on the car cold, to be honest i didnt know whether it needed to be warmed up or not so i just did it cold. My results came out 116 116 1 1 1 1 1 1 1 . When i purchased the car i received a scanner and code book, however i cant find the code book right now and just wanted to know if anyone can tell me what these stand for. i dont have a CE light on, the car seems to be running fine just figured i would do it anyways, so if anyone can tell me what they stand for id appriciate it!
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Old 02-03-2009, 09:03 AM
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Joel5.0
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On Demand:
116 - ECT out of self test range 0.3 to 3.7 volts .... car was too cold.

Continuous Memory:
111 - System Pass

KOEO/KOER Codes Definitions.....
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Old 02-03-2009, 09:25 AM
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mjr46
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koer should be done with engine warmed up
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Old 02-03-2009, 12:15 PM
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zippo2341
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the codes are repeated twice right? and the 116 116 code was given because the car was cold, and i received 1 111 111 stating the system is good. also is the 1 in between the two codes used as a code seperator? should i perform a second koeo as well as a koer test when i get home when the engine is warmed up? or should i be ok since i got the 111?
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