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Posted on Apr 14, 2009
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Fault code I have fault code P0441 showing up. Any ideas on how to correct this?

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Marvin

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  • Dodge Master 85,242 Answers
  • Posted on Apr 14, 2009
Marvin
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P0441 Evaporative Emission Control System Incorrect Purge Flow
check the carbon cannister vent for blockage.

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Anonymous

  • 1077 Answers
  • Posted on Apr 14, 2009

SOURCE: I have fault code P0441

P0441 evaporative Emission Control System Incorrect Purge Flow

The "EVAP purge flow" faults are issues between the carbon Cannister and the intake. The evap leak detection generally concerns the fuel tank to carbon Cannister plumbing. A little background. The evap or evaporative emission system is a control system to keep vapors from evaporation in the fuel tank from getting into the atmosphere. The fuel tank is not vented, but rather the vapors are piped to the carbon Cannister (usually located behind the pass. side front wheel) where the charcoal element absorbs the vapor. This is actually a vapor "storage" device. Under certain engine operating conditions, the ECU activates the Cannister Purge Valve (N80) which opens and allows the engine vacuum to **** the fuel vapors back out of the carbon Cannister. This purges the vapor, allowing the Cannister to absorb more vapor. This evap system has been on vehicles since the '70s. As part of the OBDII standard effective for 1996 cars and newer, it was mandated that leaks in the systems must be detected and reported as a fault which will set the Check Engine Light (CEL). To detect leaks, the system is pressurized by a pump so that leaks can be detected by a lack of appropriate pressure in the system. If there is a leak, such as a cracked vent hose, loose (or leaky) gas cap, poorly installed or defective O-rings on the fuel level senders on the fuel tank, etc. a code will be set. On the Cannister to intake side, leaks are detected by deviations in the idle control system. If you have leaks in the lines from the carbon Cannister to the intake, intake leaks, a defective purge valve, etc you will often get purge flow faults. My first recommendation is to closely inspect all the small vacuum lines connected to the intake manifold. The corrugated plastic lines are often the culprits, as well as the fabricate covered vacuum lines. Also consider replacing the gas cap.

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What are Fault codes P0441 + P0704 On my 05 Plate Octavia VRS?

Code P0441 seems to relate to the EVAP Emission Control System. Either there is a blockage or a leak in one of the valves (N80 or N115) or the pipes between throttle body and tank breather are broken.
Code P0704 seems to be a faulty clutch pedal position switch

Here's more info about code P0441 at ross-tech:
16825 P0441 001089
And code P0704 at ross-tech:
http://wiki.ross-tech.com/wiki/index.php/17088/P0704

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Engine codes p0440,p0441

code po440 refers to evaporative emission (EVAP) system--malfunction ===causes --hose connections --intake leak--EVAP canister purge valve
code p0441 refers to EVAP system--incorrect flow detected===causes---hose connections --intake leak--EVAP canister purge valve.
once you fix the fault use a scanner to reset the engine light.
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P0129 and p0441 x2

code p0129 refers to barometric pressure-two low===causes wiring---BARO sensor, ---mechanical fault
code p0441 refers to evaporative emission (EVAP) system--incorrect flow detected=== causes ---hose connection/s---intake leak--EVAP canister purge valve

replace the BARO sensor and the purge valve after seeing that the filler cap is on correctly.
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P0441 fault

code P0441 - Evap emission control system incorrect purge flow.
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getting code p441 could be caused by evap purge solenoid vacuum line loose leaking or restricted, evap purge solenoid faulty, evap purge vacuum line to canister leaking or disconnected,evap canister failed.
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Hi
code P0068 = MAF/MAP sensorthrottle position correlation
code P0108 = MAP/BARO circuit high input
code P0441 = EVAP emission control system purge flow fault
take it infor a service
cheers Rob.
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2001 corolla chack engine light on.

P0440= Evap Control Sys Malfunction
P0441= Evap Control Sys Purge Flow Fault
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