Is engine codes p0176 and p0496 related to each other?

Teresa Williams-Brewer

Asked by Nov 16, 2015 at 06:47 PM about the 2005 Pontiac Sunfire Base

Question type: Maintenance & Repair

to an light on the car and it read these codes.  he said one was running rich
and the other was running light.

1 Answer


Yes the two are related,this is a fuel issue,purge valve stuck open,possible stopped up fuel cannister and or over flow,

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