P0446 Chevy Suburban

I looked at some of the other boards online as to find out how to fix. This new vent solenoid has an enhanced filtering capability and a filter element that can be easily removed and cleaned. 2000 Chevrolet Suburban Engine.

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P0446 Evaporative Emission Control System Vent Control Circuit Malfunction

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It often appears with or is related other codes such as P0420 P0446 and very often P0440.

P0446 chevy suburban. 30082020 A trouble code P0446. Trouble code P0446 typically turns up in On-Board Diagnostic testing on account of an illuminated Check Engine Malfunction Indicator Lamp. Usually this problem is solved by opening the drivers door.

This generic OBD-II code indicates that the evaporative vent valve in the emission control system is malfunctioning. Possible Symptoms Engine. 08042021 In this video I have a look at a 2003 Chevrolet Suburban that came in with the SES light on with a code for the EVAP system.

The Powertrain Control Module PCM sets the P0446 code if the vacuum decay rate is greater than a predetermined value. Just to clarify whats the exact code. P0446 was the code stored in it.

I have replaced the purge valve solenoid in the engine compartment and the vent valve solenoid under the truck. This one was a pretty easy fix Dustin. The code P0446 is set when the engine computer recognizes a fault or restriction at the vent control part of the Evaporative emission control system EVAP.

P0446 Evaporative Emission Control System Vent Control Circuit Malfunction. This one was a. One of these rubber hoses connects to a metal fitting on the filler neck.

10012007 After following the Service Manual diagnostic P0446 and determining that the EVAP canister vent valve is the cause of the SES light replace the existing EVAP canister vent solenoid and bracket. Post new topic Reply to topic. I have a 2001 Chevy Suburban 2001.