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Power Strokes
7.3 Tech
IDM,PCM Failure?
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[QUOTE="Dirtclod, post: 1499111, member: 20061"] Well today I got busy on troubleshooting my IDM. With key off and harness unplugged at the IDM and plugged in at the valve covers. I checked resistance from hot feed to each injector. 2 on the drivers side read 12.4 ohms and 4.8 ohms which is too high. One on the passengers side read 3.8. The rest were inside the norm between 2.8&3.1. I checked resistance to the solenoids and and resistance to the hot feed to each side and all was open or zero resistance. So under the valve covers are ok. So tomorrow I'm going to tear the wiring apart starting at the valve cover plug to the idm to see where the problem is at with the wires. Evidently when the alternator wire was loose and hot it must've burned through to those wires causing a short. I guess we'll find out tomorrow. [/QUOTE]
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