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Old 02-20-2011, 03:55 PM
boblove1 boblove1 is offline
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Default 1993 2.3L Trouble Code 224

I have a 1993 2.3L 2wd Ranger. I have the check engine light. I ran the KOEO test and it cam up 111 and the ran the KOER test and came up with code 224. The manual (CHiltons) says PCM detected primary coil circuit failure. The OBD code reader gives several scenarios. 1st. Erratic IDM input to processor or SPROUT circuit ground/coil...

This truck has a DIS module and is the 2 plug per cylinder kind.

Does anyone have so experience with this?

I recently changed the water pump and the truck got the check engine light maybe a couple of weeks after that. I'm not sure the water pump change is related to the code but I figured having the history may help..


Thanks in advance.
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Old 02-26-2011, 07:59 PM
boblove1 boblove1 is offline
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Default Re: 1993 2.3L Trouble Code 224

Okay, thought I would follow up for those of you who might have the same type of problem.

I Checked the primary resistance of both coil packs and all four checked good (less than 5 ohms). I check the secondary resistance of both coil packs. 13.5 K ohms on all four. I'm not sure what the spec is but that sounded reasonable. I took a chance and replaced the ICM (DIS module) for $140. Code cleared and truck runs good.

Hopefully this may help someone else out there.
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