91 acura integra ls computer is not grounding egr control solenoid valve

High NOX's do it to a non openig valve while driving. check egr ok, check vacuum before egr solenoid ok. check battery voltage at the solenoid ok. but pcm isnot
grounding egr solenoid.
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ricardo m wrote:

Did you check the wire harness from ECM to solenoid for continuity?
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