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2007 Honda Civic Question: Help me locate & troubleshoot PO498 code evap vent valv solen low voltage

 

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troutwater, Bacliff, TX, July 17, 2011, 09:04
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I got a CEL of PO498- Evap Vent vlv malf ckt low
I checked fuses 23 & 4, they are good. How can I troubleshoot this problem.

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  • Answer #1

    July 17, 2011, 11:49
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     Master

    I would ohm check the solenoid, and even bench test the solenoid with a 12 volt source, be SURE to use the correct polarity, because the solenoid has diodes that can be damaged if the positive lead is connected to the ground side the solenoid.

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