Compression Ignition Addict
Join Date: Apr 2007
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Unfortunately the FICM voltage test does not always prove that the FICM is good. If the voltage is bad, then the FICM needs repair or replacement, but the FICM can have other failures that do not show up w/ the voltage test.
Also, you need to test the FICM voltage at KOEO, when cranking, AAND at 2k rpms, to get a good test.
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