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Posts Tagged: P0446

 Camry P0440, P0441, P0446

Diagnose and fix Camry P0440, P0441, P0446 trouble code If you have a 1998-1999 Solara or Camry P0440, P0441, P0446 trouble code issue, Toyota has issued a service bulletin # EG013-02 to address this problem. The bulletin states that under some conditions, you may encounter a Solara or Camry P0440, P0441, P0446 trouble code. The evaporative emissions system in Toyota vehicles operates like most other EVAP test systems. Fuel vapors are stored in the charcoal canister. After a fuel fill-up, the system opens the EVAP vacuum switching valve (VSV) in … Read More

P0440, P0441 OR P0446 Toyota

Fix P0440, P0441 OR P0446 codes Toyota Toyota has issued a service bulletin #EG013-03 to address a problem with the evaporative emissions system and codes P0440, P0441 OR P0446. The bulletin pertains to some of the vehicles listed below but coverage also depends on the vehicle’s product date. When driven, owners may see the check engine light come on and the computer will store any of these trouble codes P0440, P0441, or P0446. The problem is due to an inoperative Canister Closed Valve Vacuum Switching Valve (CCV VSV). The CCV … Read More

Gas nozzle shuts off before tank is full GM vehicles

Why does the gas nozzle shut off before tank is full GM vehicles P0446, Gas nozzle shuts off before tank is full, can’t fill tank GM has issued a technical service bulletin (TSB) 07-06-04-023 to address problems when refueling certain vehicles. You may be unable to fill the tank beyond ¾ full or less. No matter how many times you try, the gas nozzle will shut off by itself. The bulletin applies to the following vehicles 2004-2007 Chevrolet Malibu Maxx 2007-2008 Saturn Aura As you fill the gas tank, vapors … Read More

Evaporative Emissions System Primer

How does an evaporative emissions system work? The Evaporative Emissions System is responsible for preventing fuel vapors from polluting our air. If you came to this post because your vehicle won’t fill with gas, skip to the bottom of the post In the old days gas tank caps were vented to the atmosphere. That allowed outside air to enter the tank as you used up the gas inside the tank. On warm days the gas expanded and gas fumes vented backwards through the vented cap to the atmosphere. In other … Read More

P0446

P0446 Evaporative Emission Control System Vent Control Circuit Malfunction If you have a P0446 Evaporative Emission Control System Vent Control Circuit Malfunction read this article to fix it. The evaporative emission control system checks to make sure there are no leaks in the lines that run from the gas tank to the charcoal canister and up to the engine. It also checks to make sure the gas cap is sealing correctly. When you fill your car with gas, the vapors in the tank get forced into a canister filled with … Read More

Gas nozzle shuts off before tank is full — Equinox, Saturn

Gas nozzle shuts off before tank is full — Equinox, Saturn GM reports a problem in some 2005 Equinox and 2002-05 Saturn Vue vehicles where the gas nozzle shuts off before tank is full. The issue might also be accompanied by a trouble code P0446, relating to a vent system performance. The problem has been traced to a partially restricted EVAP canister hose. The restriction appears like a ball of cotton and is actually a spider’s nest. GM has issued a new design hose for these applications. The new hose … Read More

P0446

Fix Trouble code P0446 on GM vehicles GM has issued a TSB (#04-06-0055) for code P0446 on 2000-03 Cadillac, Chevrolet and GMC full size utility trucks. The charcoal canister stores gasoline vapors from the tank. When certain driving conditions are met, the computer supplies power to the purge and vent solenoids. The purge solenoid opens the vacuum line between the canister and the intake manifold and engine vacuum sucks the vapors out of the charcoal. The vent solenoid opens a fresh air line into the canister. If these vehicles are … Read More


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