Question about 1998 Buick LeSabre
Did you just fill up the car with gas? Try taking off and putting the cap back on, making sure that it clicks numerous times. Take the car to an auto parts store that states they check codes for free and ask them to clear the code for you. If it comes back on, you may have a bad gas cap, or any number of other EVAP system failures. But most likely, you didn't get the cap on all the way.
Posted on Sep 12, 2010
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Posted on Jan 02, 2017
Well it could be as simple as a new gas cap, or clean seal on it & tighten again. There are a few other items in the system too, but one common one is the vapor canister gets plugged up with dust & dirt.
Posted on Apr 11, 2009
Possible leaks, clogs, malfunctioning VSVs (vacuum switching valves), and faulty Evap charcoal canister. This system is designed to remove harmful vapors in the fuel system and preventing these vapors to enter the atmosphere, regulate fuel pressure, by sending it into the combustion chamber to be burnt.
Diagnostics for P0446:
1. Inspect vacuum hoses and pipes
between EVAP (Purge) VSV and
Charcoal Canister for leaks.
2. Replace Vapor Pressure VSV and
Hopefully this helps
Posted on Aug 16, 2009
Unfortunately, this code has nothing to do with the gas cap....
A code P0446 could mean one or more of the following has happened:
Posted on Nov 17, 2009
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