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Replacement cost of evap lines and gas line - Cars & Trucks

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The WHOLE SYSTEM?!?! usually doesn't need to do that , just the cracked hose

then, there's the valves and charcoal vapor canister as well

since no year make model, no one else will really answer this problem

a trouble code scan also will help point in the right direction to look for (under the hood or under the car)

Posted on Mar 30, 2015

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Computer code 455


Possible causes - Missing or loose fuel cap
- Incorrect fuel filler cap used
- Fuel filler cap remains open or fails to close
- Foreign matter caught in fuel filler cap
- EVAP canister or fuel tank leaks
- EVAP system hose leaking
- Fuel tank leaking The P0455 it's a very common code, because the code is set if the gas cap is loose or missing. Start by tighten the gas cap and clearing the code. In most cases the code can be clear by disconnecting the car battery for about 30 minutes.

When is the code detected? EVAP control system has a very large leak such as fuel filler cap fell off, EVAP control system does not operate properly. Possible symptoms - Engine Light ON (or Service Engine Soon Warning Light)
- Possible a noticeable fuel odor caused by the release of fuel vapors P0455 Buick Description This diagnosis detects leaks in the Evaporative Emission System (EVAP) purge line using engine intake manifold vacuum. If pressure does not increase, the Engine Control Module (ECM) will check for leaks in the line between the fuel tank and EVAP canister purge volume control solenoid valve under the following vacuum test condition. The vacuum cut valve bypass valve is opened to clear the line between the fuel tank and the EVAP canister purge volume control solenoid valve. The EVAP canister vent control valve will then be closed to shut the EVAP purge line off. The EVAP canister purge volume control solenoid valve is opened to depressurize the EVAP purge line using intake manifold vacuum. After this depressurization is implemented, the EVAP canister purge volume control solenoid valve will be closed.
if tightening the cap or replacing the cap does not help take your car to a shop to have it diagnosed as it requires special tools/equipment to test this and get an accurate results to find what needs replacing.

Oct 10, 2014 | 2004 Buick LeSabre

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I have a 1997 Nissan Pickup XE L4 2.4 vin S 2389cc KA24E Fi MFI GAS SOHC got a code p0110 and also p1447 just replaced the MAP sensor and TPS Fuel filter and EVAP i checked w/ OBD came up w/ IAT ...


The IAT sensor is located in the air filter case on top of the throttle body. If you remove the air filter you can see it on the left side of the case on the bottom. It connects from underneath and the connector can easily be damaged if you are not careful when removing the lower part of the air filter housing from the throttle body. If you replaced the MAP sensor you may have damaged the connector or pulled a wire loose.

The p1447 problem indicates a leaky evap system which could be as simple as a bad gas cap or as in my case a bad evap canister and vacuum canister cut/bypass valve.(http://ww2.justanswer.com/uploads/fixurnissan/2012-02-04_230002_1.pdf)

If your evap canister has ruptured then your evap lines will be full of carbon pellets. You will need to disconnect each end (evap canister line towards front) and evap canister purge line towards the rear and blow out these lines with compressed air. Once they are clear replace the evap canister and check the vacuum canister cut/bypass valve as described in the link. If you fix this your self you will save close to $1000 as opposed to what a dealer would charge to fix this problem.

Oct 27, 2013 | 1997 Nissan Pickup

1 Answer

Vapor leak


Leaks in the evaporative emission control system may be difficult to find without a "smoke test". You or a shop could force smoke into the evap system and watch where a leak would show up. Could be anywhere between the charcoal canister and the fuel tank. Is your gas filler cap still good? That is one place to check. Trace the evap lines under the car and look for deteriorated rubber lines, loose connections, etc. Check the canister for all lines being connected and tightly fitted.
I hope you find it. If not, have the smoke test done. I hope it wouldn't cost too much. Not sure of the cost.

Jan 02, 2013 | 1992 Plymouth Acclaim

1 Answer

Po441 2002 Hyundai, engine hard starting after fill up


Most likely is a bad EVAP purge valve. But check below list.
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'sicon1.png 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.
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
Possible Solutions

With a P0441 OBD-II trouble code, diagnosis can be tricky at times. Here are some things to try:

  • Replace Leak Detection Pump / LDP
  • Repair damaged EVAP lines or canister
  • 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 solenoid
  • Repair resistance in purge connector
  • Replace PCM

Oct 24, 2012 | Hyundai Elantra Cars & Trucks

1 Answer

How to find and fix small evaporative leak in emmission control


this could be several things causing this code,first make sure gas cap has been turned till clicks every time u fill up,could be bad gas cap,then follow fuel lines from the tank under car to the evap box,checking hoses for cracks or need replaced,then if none follow the lines again to motor,most of the time this is also some small lines vacumm hoses that need replaced going to the evap canister,but check vacumm hoses dealing with the evap system,just went through this for my mom on her van and it was two small 5/16 hoses hidden under the air filter box,you could also pay a shop to doo a smoke test on car,could be costly,would try myself first,hope this helps you,it did me and saved a bundle

Aug 21, 2011 | 2002 Dodge Neon

1 Answer

2000 toyota camry 2.2L obd code p0441


Hi,

P0441: Evaporative Emission Control System - Incorrect Purge Flow

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.

Possible causes:

  • 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

Possible solutions:

  • Replace Leak Detection Pump / LDP (if applicable to your vehicle)
  • Repair damaged EVAP lines or canister
  • 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

  • Check ALL the above until you correct the issue. NEVER replace PCM, unless you prove the PCM to be faulty (as a last resort).

    Cheers,

    Jun 08, 2011 | 2000 Toyota Camry

    2 Answers

    Check engine light -- daewoo disgnostic trouble code p0442..what is it and is a major/minor problem --performed visual inspec. on fuel cap, evap hoses and canister..all ok..no sign of leak noticed when...


    Okay no leaks so this means the vent valve is closing, how did you get valve to close? if there are no leaks and vent valve is closing and sealed when you smoke tested it then i would say to replace the purge valve, this is easy to change and not costly, just a dealer part or maybe you can find on the web, hope this helps.

    Sep 14, 2010 | 1999 Daewoo Leganza

    3 Answers

    Emission control malfuction p0440


    Easier said then done without professional tools

    However, I'll start you will some theory, then the shop manual procedures followed by some "common" problems

    Theory:
    Evaporative leak detection strategy is based on applying vacuum to EVAP system and monitoring vacuum decay. Powertrain Control Module (PCM) monitors vacuum level by means of fuel tank vacuum sensor input. At a predetermined time, EVAP purge solenoid and EVAP vent solenoid are turned on. This allows engine vacuum to draw a small vacuum on entire EVAP system. Whenever a sufficient vacuum level cannot be achieved, a large leak or faulty EVAP purge solenoid is indicated.

    Conditions for setting this DTC are as follows:
    No TP sensor, ODM, IAT sensor, or MAP sensor DTCs present.
    Start-up ECT 40-86°F (4-30°C).
    Start-up ECT not greater than 14°F (8°C) greater than start-up IAT.
    Start-up IAT not greater than 4°F (2°C) of start-up ECT.
    Fuel tank level is 15-85 percent.
    BARO is greater than 75 kPa.
    Vehicle has been driven at least 11 miles.
    EVAP system is unable to achieve or maintain vacuum during diagnostic test.

    Diagnostic Procedures
    1.) Perform On-Board Diagnostic (OBD) system check.
    After performing OBD system check, go to next step.

    2.) Check if DTC P1665 or P1676 is also set. If any of DTCs is present, diagnose affected DTCs. If DTCs are not present, go to next step.

    3.) Turn ignition off. Remove fuel filler cap. Turn ignition on. Using scan tool, observe fuel tank pressure. If fuel tank pressure is zero in. H2O, go to next step. If fuel tank pressure in not zero in. H2O, diagnose evaporative system.

    4.) Replace fuel filler cap. Using scan tool, capture FAILURE RECORD data for DTC P0440 and clear DTC. Command EVAP vent solenoid on. Connect EVAP Pressure/Purge Diagnostic Station (J-41413) to EVAP service port. Pressurize EVAP system using diagnostic station. Monitor pressure on EVAP pressure gauge on diagnostic station. If pressure is 5 in. H2O, go to next step. If pressure is not 5 in. H2O, go to step 6.

    5.) Maintain EVAP pressure at 5 in. H2O. Observe fuel tank pressure on scan tool. If fuel tank pressure reading on scan tool is 5 in. H2O, go to step 8. If reading is not 5 in. H2O, go to next step.

    6.) Disconnect fuel tank vapor line and EVAP purge line from EVAP canister. Block canister fitting for fuel tank pressure line. Connect a hand-held vacuum pump to canister fitting for EVAP purge line. Ensure that EVAP vent solenoid is still commanded on. Apply vacuum to EVAP canister. If vacuum can be maintained at 5 in. Hg, go to step 11. If vacuum cannot be maintained at 5 in. Hg, go to step 10.

    7.) Check for restriction in fuel tank vapor line or EVAP purge line. Repair as necessary. After repairs, go to step 16. If restriction is not found, diagnose EVAP system.

    8.) Disconnect vacuum source line at EVAP purge solenoid and plug vacuum source fitting on solenoid. Using scan tool's output tests function, select and activate SYSTEM PERF. Pressurize EVAP system to 5 in H2O. Observe EVAP pressure gauge on diagnostic station while removing plug from EVAP purge solenoid vacuum source fitting. If EVAP pressure decreases to zero in. H2O within 15 seconds while system performance is activated, go to next step. If EVAP pressure does not decrease to zero in. H2O within 15 seconds, go to step 13.

    9.) Install vacuum gauge on EVAP diagnostic station to vacuum source line. Start and operate engine to greater than 2000 RPM. Observe source vacuum level. If vacuum level is greater than -15 in. Hg, If vacuum level is not greater than -15 in. Hg, go to step 14.

    10.) Check for disconnected or damaged vent hose. Check for damaged EVAP canister. Repair as necessary. After repairs, go to step 16. If no problems are found, go to next step.

    11.) Check for faulty or missing fuel filler cap. Check for disconnected or leaking fuel tank vapor line. Check for disconnected or damaged EVAP purge line. If problem is found, repair as necessary. After repairs, go to step 16. If no problems are found, go to next step.

    12.) Using scan tool, command EVAP vent solenoid on. Continuously attempt to pressurize the EVAP system by leaving the EVAP diagnostic station control knob in the pressurized position. Using the Ultrasonic Leak Detector (J-41416), locate and repair leak in EVAP system. After repairs, go to step 16.

    13.) Replace EVAP purge solenoid. After replacing solenoid, go to step 16.

    14.) Check for carbon release into the EVAP system. Repair as necessary. After repairs, go to step 16.

    15.) Replace EVAP vent solenoid. After replacing solenoid, go to next step.

    15.) Turn ignition on. Using scan tool, command EVAP vent solenoid on. Using EVAP diagnostic station, pressurize EVAP system to 15 in. H2O. Move rotary switch in diagnostic station to HOLD and observe EVAP pressure gauge. If EVAP pressure decreases to less than 10 in. Hg within 2 minutes, repeat step 3. If EVAP pressure does not decrease, system is okay.

    Diagnostic Aids
    Check for the following:
    Cracked or punctured EVAP canister.
    Damaged or disconnected source vacuum line, EVAP purge line, vent hose, for fuel tank vapor line.
    Poor connection at PCM.
    Inspect harness connectors for backed-out terminals, improper mating, broken lock, damaged terminals, or poor wire connection.
    Check for intermittent in circuit.
    Check for kinked, pinched or plugged vacuum lines to EVAP purge or fuel tank vapor line. Also check for restrictions.
    Faulty or damaged evaporative canister.

    Apr 28, 2010 | 1999 Buick Century

    3 Answers

    Po441 emissions code for a 2000 Avalon - just wondering some possibilities on what it might be and what it will cost.


    This indicates that a part of the EVAP control system is no longer functioning correctly.

    FIRST, call the local Toyota dealer, tell them the error and your mileage. It MAY be covered under warranty as part of the emissions system, which many manufacturers have extended warranty programs on at no cost to you.

    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

    With a P0441 OBD-II trouble code, diagnosis can be tricky at times. Here are some things to try:
    • Repair damaged EVAP lines or canister
    • 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
    • Replace PCM
    .

    Nov 14, 2009 | 2000 Toyota Avalon

    2 Answers

    Air leak


    You can replace the section of line but you should really have the dealer or a third party A/C shop do it for you as they can evap the lines (there must be a vacum) and then add the R134a with some oil etc. Expect it to cost ~250$ or more.

    Jul 02, 2009 | 1999 Mercury Sable

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