Question about 2000 Toyota Camry
These codes are emission control related and indicate a leak in the fuel evaporative system, this is a complicated system and requires technicians that really know what they are doing to diagnose.
If you want to try a simple repair yourself replace the gas cap with a OEM unit from the toyota dealer, that's about all I can recommend, if that doesn't help it's time to get some help from real professionals that can diagnose this kind of problem, there is a battery of tests that must be performed to isolate this problem, my best advice is to get the toyota dealer involved.
Posted on Apr 01, 2011
P0441-This Relates to Incorrect Purge Flow for Evaporative Emission System
First try to erase code and check fuel cap for good fit and seal.
Hope this helps you or get back with your findings.
Posted on Apr 01, 2011
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Posted on Jan 02, 2017
Evaporative emissions control system malfunction detected. Traceable to either loose gas cap, contaminated charcoal caniter, stuck ccv valve or leak in the vacuum control system.
Posted on Jun 04, 2010
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May 08, 2015 | Dodge Cars & Trucks
Evaporative Emission Control System Incorrect Purge Flow
What does that mean?
This indicates that a part of the EVAP control system is no longer functioning correctly. The EVAP system consists of many parts, including (but not limited to) the gas cap, fuel lines, carbon canister, purge valve, and other hoses. The (EVAP) emission control system prevents the escape of fuel vapors from a vehicle's fuel system. Fuel vapors are routed by hoses to a charcoal canister for storage. Later, when the engine is running a purge control valve opens allowing intake vacuum to siphon the fuel vapors into the engine.
EVAP emission canister purge is controlled by a valve which allows engine vacuum to pull stored fuel vapors from fuel tank into the engine to be burned, rather than be vented to atmosphere. A vacuum switch is used to detect when flow exists. If the PCM commands purge and sees that the switch is closed (indicating no detected purge flow) P0441 is set.
Likely, no symptoms will be discernible to the driver, other than the illuminated Check Engine Light.
A code P0441 could mean one or more of the following has happened:
With a P0441 OBD-II trouble code, diagnosis can be tricky at times. Here are some things to try:
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