Question

What is code P0442 and what do I do to find the problem in my 2007 Pontiac Grand Prix V8? How do I fix code P0442?

Answer 1

P0442 Evaporative emission (EVAP) small leak detected

This is usually a fuel cap that causes this problem , Where improper sealing allow fuel vapor to escape, A fuel cap replacement may resolve the issue.

Answer 2

P0442 Pontiac Code - Evaporative Emission Control System Leak Detected Small Leak
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