P0442 code chevy silverado 1500

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.

Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. If you click them and make a purchase, we may earn a small commission. Forums New posts Search forums. What's new New posts Latest activity. Members Registered members Current visitors. Log in Register. Search titles only.

P0442 code chevy silverado 1500

.

This is an older thread, you may not receive a response, and could be reviving an old thread.

.

One such DTC is the P code. Continue reading to find out what the P trouble code means and what symptoms it causes. I also review the most common symptoms and show you how to fix it. The evaporative emission control EVAP system keeps fuel vapors from escaping into the environment. Fuel vapors from the tank get absorbed by the charcoal that is in the canister. Aside from seeing the Check Engine Light, you might not have known that something was wrong. Because the P deals with the evaporative emission control system, any part of this can malfunction and lead to the trouble code. However, it could also be something as small as a loose fuel cap.

P0442 code chevy silverado 1500

In this tutorial, I'll shed some light on what this trouble code means and some of the tests you can perform to find its cause and solution in case a loose gas cap is not the source of the problem. Unfortuately, this trouble code does not pinpoint a specific component as the cause of the EVAP system's fuel vapor leak. Although a P will cause your Silverado Sierra to fail an emissions test, the EVAP system problem causing it generally does not cause any driveability issues. Generally the only other problem, besides a failed emission test, is the check engine light shining nice and bright on the instrument panel. The purpose of the evaporative emission control EVAP system is to capture the fuel tank vapors and prevent them from escaping into the ambient air the atmosphere. Generally, a P trouble code is caused by a loose gas cap one that wasn't tightened enough after fueling the vehicle. If a loose gas cap is not the problem, then the following problems could be causing the P trouble code:. Repairing a trouble code P involves finding and replacing the EVAP system component that's causing the fuel vapor leak.

Warrior at troy crossword clue

What's new New posts Latest activity. When battery power gets low due to amp draw they like to stumble. Thanks everybody for your help. Here is 1 of those vids for charcoal canister. I looked up a but doesn't look like there is a separate vacuum switch and looks like if there is its on the canister. The EVAP purge solenoid valve isolator 2 and mounting fastener 3 must never be substituted. With the EVAP vent solenoid open, any vacuum in the system should decrease quickly unless the vent is blocked. When my charcoal can barbs cracked i was able to drive around without any issues until i finally fixed it. If you can't then yours is defective. JavaScript is disabled.

This post contains affiliate links. Read the full disclosure here. P Chevy Silverado GuideMechanic.

Any thoughts on what this could be? Eskimomann I'm Awesome. Replies 1 Views Explore Our Forums. The Fuel Tank Filler Neck itself is pretty rusty so it could also be that or the vent hose that comes off of it. I am think it is most likely at the Fuel Tank Filler Neck area where I had to extend it with the bs they provided. Please consider creating a new thread. What were the symptoms other than it throwing the code? Replies 44 Views 2K. Here is the way I would diag evap codes if I had a simple scan tool and or code reader. Am I correct in assuming this is the problem? Sign up. Starting issue after sitting over 15 minutes, P code.