Close
QUESTIONS

RepairPal is your advocate for car care advice and guidance

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

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.
Get a Repair Estimate
Guaranteed by certified locations nationwide. Learn more
RepairPal estimates are guaranteed at over 1,700 quality certified locations nationwide. Learn more
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.
Didn't find what you were looking for?