Not exact matches
When the car is turned off, the
system captures fuel vapor in a charcoal
canister, then parses the vapors back to the running engine through — you guessed it again — a network of
vacuum hoses.
What can cause the code P0446: - faulty vent control valve - blockage at the vent hose, vent filter or vent control valve - open or short in the vent control valve circuit - bad charcoal
canister - EVAP
system leak - faulty EVAP
system pressure sensor - bad
vacuum switching valve (VSV)(Toyota, Lexus)- stuck open purge valve (solenoid) Examples: - A GM technical service bulletin for 1999 - 2007 Chevrolet Silverado and GMC Sierra describes a problem when if the vehicle is driven in dusty environment, the dust can enter into the
canister vent hose and cause restricted air flow that can set the code P0446.
Some engine compartment features include Ringbrothers hinges, aluminum fender braces, aluminum radiator panel, March Style Track air cleaner, Billet Specialties pulley
system, billet thermostat, aluminum
vacuum canister and high - performance starter.
For instance, it was the Odyssey with the first modern - day in - vehicle
vacuum system, complete with an extendable hose and removable debris
canister, and additional family - friendly equipment offered for the vehicle includes a forward - collision warning, lane - departure warning, a rearview camera, and a rear - seat entertainment
system.
Without a scan - tool: The first part is to check visually for obvious problems: if the gas cap closed properly, there is no cracks or other damage on the charcoal
canister and all
vacuum hoses related to the EVAP
system are properly connected.
Before you give up on
vacuuming, however, two solutions can address this problem: either install a central
vacuum system with the
canister - air discharge piped outside the house, or purchase a high - quality, portable
vacuum cleaner with a HEPA filtration
system.
Also known as whole - house
vacuums, central
vacuum systems consist of a large motorized
canister system that is typically located in a garage, attic or basement.