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2003 Chevrolet Silverado 5.3L with engine code P0445. Is this for an EVAP large leak?

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2003 Chevrolet Silverado 5.3L with engine code P0445. Is this for an EVAP large leak?

Vehicle: 2003 Chevrolet Silverado 5.3L

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Best answer
Hi there,

The large evap leak can be caused by a faulty gas cap but most of the time it's due to a faulty vent control valve on the truck. If it freezes in the open position it will cause this code to come up.
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P0445 Chevrolet Code - Evaporative Emission Control System Purge Control Valve Circuit Shorted
Read more: https://www.autocodes.com/p0445_chevrolet.html

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