Question about 2001 Dodge Durango
My Durango 4.7 has been shooting code P0442 and P0441. I have replaced all visable hoses with fuel line (stronger) and still run codes every so often. Any suggestions?
I had this same code with a few other possible issues when i took it to auto zone, I went and had my oil changed, the guy told me my K&N intake was making engine run to lean.
Posted on Apr 11, 2009
TRY REPLACING THE GAS CAP IF THE SEAL AROUND IT IS NOT SEALING IT CAN CAUSE THIS
Posted on Sep 25, 2008
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Posted on Jan 02, 2017
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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:
Jul 11, 2012 | Cars & Trucks
Repair open or short in voltage feed circuit to Purge Solenoid.
Repair open in PCM purge command circuit.
Replace purge Solenoid.
Replace vacuum switch.
Repair restriction in Evap line or canister or soleniod.
Repair resistance in purge connector.
Remove and reinstall the gas cap, clear the codes, and drive for a day and see if the codes come back.
Otherwise, replace the gas cap, or
Inspect the EVAP system for cuts/holes in tubes/hoses.
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