Question about Land Rover Discovery

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Hello my 97 discovery se7 check ingine light came on i did a scan with my OBD2. THIS IS THE FREEZE FRANE. TROUB CODE IS P0441...FUEL SYS1..N/A.FUEL SYS2..N/A..CALC LOAD(%)..36.8..COOLANT(*F)..212..ST FTRM1(%)..-2.3..LT FTRM1(%)..3.8..LT FTRM2(%)..3.1..LT FTRM2(%)..3.8..ENGINE(RPM)..697.. CAN SOMEBODY EXPLAIN THIS TO ME?

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What does that mean? This indicates that a part of the EVAP control system is no longer fuctioning 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 contolled 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.
FB.init("dd7d9e9681341cde77587bc6a2029f6f"); OBD-Codes.com on Facebook Symptoms Likely, no symptoms will be discernible to the driver, other than the illuminated Check Engine Light.
Causes A code P0441 could mean one or more of the following has happened:

  • Bad vacuum switch
  • Broken or damaged EVAP line or canister
  • Open in PCM 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 PCM

Posted on May 12, 2010

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  • luis a padilla
    luis a padilla May 13, 2010

    ok i will check and will get back to you.thank you very much.

  • yadayada
    yadayada May 13, 2010

    I feel I have supplied all the possible solutions short of having "hands On" if this has been helpful please rate my solutions and suggestions as '"HELPFUL" this is how i get compensated for my time to look this stuff up for u. Thanks

  • yadayada
    yadayada Jul 22, 2010

    please rate the help for fixya. it will ask u if i was helpful

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P1410, P0441 & P0773 codes in '97 Toyota Camry


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Ok, above are the codes listed on your description and there respective definitions. the P0441 and the P0446, basically run parallel and they mean the same thing. Its concerning the disposal of fuel fume waste that is burned in the EVAP canister during the EVAP process. the EVAP vent solenoid valve will have to be replaced.

The P1410 can be resolved be replacing the fuel pressure regulator which is part of the fuel pump assembly. I would also make sure the gas cap is correctly screwed on and its tight and mot lose.

The P0773 is quite different than the others. this concerns the solenoid that is located in the transmission pan. the scan has detected a malfunctioning solenoid that may ****** the shifting cycle of your transmission.

The EVAP situation will fail the emission's test if not fixed but, this shift solenoid issue, although not an emission's issue, should be check and fix soon.

Please rate and god bless:)

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