P0442 on a 2016 Chevy Silverado 1500: Small EVAP Leak
Code P0442 means a small EVAP leak. On a Chevy Silverado 1500, the gas cap is the cheapest and most common fix, then a smoke test.
Read the guide →Enter a trouble code, pick a symptom, or choose your vehicle — get the cause and the fix.
Code P0442 means a small EVAP leak. On a Chevy Silverado 1500, the gas cap is the cheapest and most common fix, then a smoke test.
Read the guide →Innova has powered DIY and professional diagnostics since the 1990s. Every guide here starts from AskFixy, Innova's repair assistant, and is approved by Innova before it's published.
Innova Repair Guides is for do-it-yourself drivers who want answers that actually work. Every guide starts from AskFixy, Innova's repair assistant, and is approved by Innova before it's published, so you can skip the conflicting forum threads, fix it right the first time, and keep more money in your pocket.
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Step-by-step repairs with the parts and tools you'll need, and when to hand the job to a shop.
Guides tied to your year, make, model, and trouble code, from the P-code all the way to the part.

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From the team behind the CarMD® Vehicle Health Index →Yes. Every guide on Innova Repair Guides is free to read. Search a trouble code, describe a symptom, or pick your vehicle to get the full diagnosis and step-by-step fix.
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