What does trouble code p0446 on Chevy Silverado mean?
P0446 -What Does It Mean? (1999-2006 V8 Chevrolet Silverado, GMC Sierra) A trouble code P0446: Evaporative Control System Vent Valve Performance usually points to a blocked EVAP vent solenoid that isn’t able to draw fresh air into the EVAP carbon canister. In this tutorial I’ll explain what this trouble code means.
What to do if your Yukon p0446 has OBDII?
Here are the most common Yukon P0446 fixes: Of all the items listed above, it would be wise to start with the gas cap and work your way to the fuel tank, since the gas cap is far and away the easiest and least expensive items to replace on here. Here’s a great video on how to test your gas cap.
What is the trouble code on my GMC Yukon?
P0446 GMC Yukon. August 13, 2018. One of the most common trouble codes with the GMC Yukon is the P0446 code. This trouble code references a number that is given to you when you plug your Yukon into a OBDII scanner. P0446 Indicates that there is a fault in the evaporative emission control system.
How is the p0446 GMC evaporative emission vent system performance?
The Powertrain Control Module (PCM) monitors the performance of the Evaporative Emission (EVAP) system by applying a predetermined level of vacuum to the EVAPsystem then monitors the vacuum decay rate. P0446 GMC More Information Need more information on how to fix the P0446 GMC code? Get Access to Factory Service Manuals Need more help?
What does the code p0449 on a GMC Yukon mean?
GMC Yukon P0449 Definition P0449 is a universal OBDII trouble code. This means that regardless of which make or model of vehicle, the code will mean the same thing (Yukon or not, as long as it was manufactured after 1996). P0449 indicates that the valve or solenoid circuit that controls the evaporation system is not functioning properly.
P0446 GMC Yukon. August 13, 2018. One of the most common trouble codes with the GMC Yukon is the P0446 code. This trouble code references a number that is given to you when you plug your Yukon into a OBDII scanner. P0446 Indicates that there is a fault in the evaporative emission control system.
Here are the most common Yukon P0446 fixes: Of all the items listed above, it would be wise to start with the gas cap and work your way to the fuel tank, since the gas cap is far and away the easiest and least expensive items to replace on here. Here’s a great video on how to test your gas cap.
How much does it cost to diagnose p0446 GMC code?
Labor: 1.0 The cost of diagnosing the P0446 GMC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour. When is the P0446 GMC code detected?