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My Nisson 2005 Quest  has a P1800 error code.  I don't see any difference in driving.  What can it be?  Can I fix it myself? What does it hurt?

 

Many thanks.

 

Richard

1 Answer

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VIAS = Variable Intake Air System

More ifnormation here: https://www.autocodes.com/p1800_nissan.html

Could be the VIAS control solenoid valve.

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