Question about 2002 Dodge Intrepid
I did have the code p0443 and I replace the purge solenoid. I reset the computer. After 91 miles, the CEL came on again. Now the code P0441 appears. According to my manual this code is ''Evap Purge Flow Monitor''. ''Insufficient or excessive vapor flow detected during evaporative emission system operation.''
The CEL comes on immediately upon starting engine. No other problems have been detected or experienced.
Gas cap passed all tests.
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Posted on Jan 02, 2017
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Jun 03, 2015 | Cars & Trucks
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:
Jul 11, 2012 | Cars & Trucks
Mar 22, 2012 | 1999 Ford Expedition
P0441=EVAP Emission Control System Purge Flow Fault
May have to do with the charcoal canister that captures
gasoline fumes from the tank. Check the hoses from the canister; if cracked or loose, this could be at fault.
P0443=No definition as generic or Chrysler in my list -
Check Dodge forums.
Check the condition of the gas cap's gasket; this is a common point of failure.
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