Question about 1995 Subaru Legacy

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My 1995 subaru legacy lsi cuts out when I rev the engine around 1 rpm. Plus the check engine light is on. I took it to the dealership and they couldn't fix it, but they got a code from the check engine light. The code is p0441, it says it is an evap system leak but where could it leak causing the engine to cut out at 1 rpm? Basically when I rev the engine around 1 rpm it will want to cut out and then it dosent, as if you pushed on the gas and then took your foot off the pedal repeatedly.Please help!

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P0441 Evaporative Emission Control System Incorrect Purge Flow

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.

  • Charcoal Canister (vapor storage)
  • Purge Control Valve (open/close)
  • Canister Purge (process of engine vacuum pulling fuel vapors into engine) determined by control valve
  • Vacuum Switch (detects when flow exists)
ALL CONTROLED BY ENGINE COMPUTER, (ECM/PCM Engine/Powertrain Control Module)

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 ECM commands purge and sees that the switch is closed (indicating no detected purge flow) P0441 is set.
Symptoms Likely, no symptoms will be discernible to the driver, other than the illuminated Check Engine Light. Causes A code OBDII Trouble Code

P0441 could mean one or more of the following has happened:
  • Bad vacuum switch Broken
  • damaged EVAP line or canister
  • Open in ECM purge command circuit
  • Open or short in Voltage feed circuit to Purge Solenoid
  • Faulty purge solenoid Restriction in EVAP solenoid, line or canister
  • Corrosion or resistance in purge connector
  • Bad ECM
The EVAP Control System seems complicating, but rather simple once you can route the components and connection hoses.

If engine seems to want to stall at low idol speed (rpm), could be due to a vacuum air leak near/around or on the air intake manifold, or connecting vacuum hoses and/or lines.
*Could also be the vacuum line leading to charcoal canister.
This will cause lower vacuum suction of air intake and loss of compression in motor, will cause unstable idle.
Also Canister Purge relies on intake vacuum to syphon fuel vapors into the engine.

A vacuum air leak on intake manifold / connecting components / hoses / lines will cause
-low intake air preassur
-low air compression in motor
-unstable idol
-low vacuum suction will reduce EVAP vapor flow
-trigger MIL Light EVAP Inccorect Purge Flow

No MIL light for vacuum leak.

P0441 Subaru EVAP System Incorrect Purge Flow

sorry no EVAP system routing diagram

Posted on May 21, 2017

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Code p 0441 refers to evaporative emission (EVAP) system --incorrect flow detected ==== causes --- hose connection/s--- intake leak---EVAP canister purge valve replace the purge valve

Posted on May 21, 2017

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Posted on Jan 02, 2017

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SOURCE: 1996 Toyota Previa code p0441

P0441 is Evap Emission Incorrect Purge Flow; the repair you are describing is easy, and should correct the P0441 restricition...I would anticipate no large problems.

Posted on Oct 07, 2008

jimbopickens
  • 56 Answers

SOURCE: 93 subaru legacy gt

Check The Vehicle Speed Sensors.

The Legacy has 2 Vehicle Speed Sensors (VSS): VSS1 is located inside of the transaxle; VSS2 is located in the combination meter assembly.

VSS1

  1. Disconnect the electrical harness from the transaxle.
  2. Connect an ohmmeter across the transaxle's electrical harness terminals 9 and 16.
  3. The resistance should be 450-650 ohms.
  4. After testing, reconnect the electrical harness.
VSS2
  1. Remove the instrument cluster from the instrument panel.
  2. Disconnect the electrical connectors and the speedometer cable from the instrument cluster.
  3. Connect an ohmmeter or continuity tester across the combination meter terminals 7 and 11.
  4. Insert a small screwdriver in the speedometer cable drive socket.
  5. Rotate the speedometer drive and note the continuity across the VSS terminal. Continuity should turn ON/OFF 4 times per speedometer drive revolution.

Posted on Nov 25, 2008

Rebgagnon
  • 382 Answers

SOURCE: will 1999 subaru engine fit in 1997 subaru legacy?

Yes as long as the Motors are the same. You might need to have the computer out of doner car. Doors are suppose to fit 96 to 99.

Posted on Feb 01, 2009

  • 7 Answers

SOURCE: 1996 subaru legacy engine light code 66

It's in 'safe mode'. Fault 66 is a nightmare! Usually caused by the sensors not talking to each other properly or 'disagreeing' with each other. Check all the sensors are pluged in & have good connections. A dirty connection can cause this code to appear. Disconnect the battery & touch the + & - leads together to discharge the system & reset the computer & fault codes

Posted on Apr 10, 2009

  • 71 Answers

SOURCE: P0441 EVAP Control System Incorrect Purge Flow

Test the purge valve and the vent valve for leaks. This can only be done with a Tech 2 and or a vacuum pump.

Posted on Jun 21, 2009

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