No start after attempting KOER read
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Freshman User
Joined: Feb 2017
Posts: 31
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From: Austin, TX
I'm new to the OBD-1 as well, this site and that code reader I linked to you have been invaluable.
My guess is the ICM is probably fried - but again, disconnect the ECM and see if the spark returns. If so, it's your ECM. If not, could be your ICM. Last thing to check, which ended up being my distributor itself. I loosened the screws on the cap and noticed that the dist wasn't rotating - the gear had come loose on the distributor shaft. That said, there is also a sensor in the distributor that tells the ignition system to spark, so that could have fried too.
Hopefully Subford will respond - he's the board Ford electrics guru and I'm certain he could add something more than I am able to!
My guess is the ICM is probably fried - but again, disconnect the ECM and see if the spark returns. If so, it's your ECM. If not, could be your ICM. Last thing to check, which ended up being my distributor itself. I loosened the screws on the cap and noticed that the dist wasn't rotating - the gear had come loose on the distributor shaft. That said, there is also a sensor in the distributor that tells the ignition system to spark, so that could have fried too.
Hopefully Subford will respond - he's the board Ford electrics guru and I'm certain he could add something more than I am able to!
The issue was solved with a new ICM!
Thanks OldGoldie for your suggestion!!!
Senior User
Joined: Jan 2017
Posts: 146
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From: Dallas-Ft Worth
Now get yourself a more "advanced" OBD-1 reader and you'll be cooking with grease
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