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HOW CAN FUEL GET INTO THE CANISTER ? - Tahoe Chevrolet Cars & Trucks

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  • Chevrolet Master
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Fuel vapors from the gas tank are collected there (rather than venting them to the atmosphere), and are periodically routed into the intake manifold through the canister purge system. Yours must not be purging the canister. Replace the charcoal element in the canister, and check out your canister purge system-should be a canister purge solenoid that energizes to suck the canister clean and rout it into the intake.

Posted on Jan 16, 2013

  • felipe diaz
    felipe diaz Dec 03, 2014

    where is locate the canister

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  • Chevrolet Master
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The canisters filter needs changing.

Posted on Jan 16, 2013

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Evap emmission,control sys leak


Do not top off your gas tank. The gas is going into carbon canister which is only for fuel vapors to go into (carbon canister opening near the top of fuel neck near the gas cap). Your flooding the fuel vapor canister with liquid fuel; of course you are going to get a sensor message... 'Evap emmission,control sys leak

P0443 The fuel vapor canister reduces that gas smell on hot days outside/inside of car. The fuel vapor canister fillers bad smells from gas tank on hot days when the gas expands and burps fumes through carbon canister filter. From the canister (gas vapor fumes) goes back into the engine to be burned again...it's a closed loop for vapors to be recycled though engine. Don't worry, once the carbon canister dries out and no longer flooded with raw fuel the code should go away...just don't let the top off fuel tank back flow into the 'Evap emission control' carbon filter near the top and close to the gas cap...:)

Apr 20, 2014 | 2000 Ford Mustang

1 Answer

Where is the fuel filter on 1999 dodge ram 1500


Open the hood of the Dodge Ram and locate the fuel canister located against the firewall of the vehicle. There is a yellow handle next to the canister that has a hose attached to it. Place the bucket underneath the hose and open the handle. Allow all the fuel in the canister to drain into the bucket. Remove the lid of the canister. Remove the fuel filter and place it to the side.
Install the new fuel filter o-rings onto the new filter. Use a small bit of automotive grease to help hold the o-rings in place. Slide the fuel filter into the canister.
Reinstall the lid to the fuel canister and tighten it down. Prime the fuel system before starting the motor. Turn the key to "acc" and allow the fuel pump to send fuel to the filter. Allow it to prime for 10 seconds and then try to start the Dodge Ram. Repeat step 6 if necessary. good-day !

Mar 19, 2012 | 1999 Dodge Ram

1 Answer

P0446 ford escort 98


This Pinpoint Test is intended to diagnose the following:
  • Canister vent (CV) solenoid (9F945) (electrical concern only)
  • Fuel filler cap (9030)
  • Fuel tank pressure (FTP) sensor (9C052)
  • EVAP canister tube (fuel tank to EVAP canister)(9A228)
  • Fuel canister purge outlet tube (EVAP canister to EVAP canister purge valve) (9D661)
  • EVAP return tube (EVAP canister purge valve to intake manifold) (9G271)
  • EVAP canister purge valve (9C915)
  • Vacuum source line (input port vacuum to intake manifold)
  • Harness circuits: CV, FLI, FTP, EVAP Canister Purge Valve, SIG RTN, vehicle power (VPWR), reference voltage (VREF) and power ground (PWR GND)
  • Powertrain control module (PCM) (12A650)
This Pinpoint Test is used as an assistance in diagnosing the following EVAP components:
  • EVAP canister and bracket assembly (9E857)
    • EVAP canister sleeve assembly (fitting)(9D925)
    • Canister vent (CV) solenoid - hose assembly (9F976 or 9K318)
    • EVAP canister (9D653)
    • Canister vent (CV) solenoid (9F945)(mechanical concern only)
  • Fill limit valve assembly (9A086)
  • Fuel filler pipe flapper valve (9B085)
  • Fuel filler pipe check valve (9189), assembly (9285)
  • Fuel tank filler pipe (9034)
  • Fuel tank assembly (with fuel vapor vent valve) (9K007)
  • Fuel tank assembly (without fuel vapor vent valve) (9002)
  • Fuel vapor control valve (9B190)
  • Fuel vapor vent valve (9B593)
  • Liquid/vapor fuel discriminator (9G332)
  • On-board refueling vapor recovery (ORVR) T - connector assembly (9S314)
Description For additional information on the Evaporative Emission (EVAP) System, refer to Section 1A .
For additional information on the Evaporative Emission System Monitor, refer to Section 1A .
Pinpoint Test Schematics Escort/Tracer (2V)
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May 28, 2011 | 1998 Ford Escort

3 Answers

2000 Ford Expedition My Expedition (4.6L V-9 2WD) has had an intermittent problem of cutting out. The Check Engine light was not coming on - so I figured it is not a misfire. It drove just like it had...


Continuous Memory Diagnostic Trouble Code (DTC) P0446 or P1450 indicates that Self-Test has detected the Evaporative Emission Control System has excessive fuel tank vacuum. Also, a DTC P0446 indicates a vent control malfunction.

Possible causes:

EVAP canister purge outlet tube (EVAP canister purge valve to EVAP canister) blockages or kinks.

EVAP canister tube (fuel tank to EVAP canister) blockages or kinks.

Fuel vapor elbow on EVAP canister contaminated.

Restricted EVAP canister.

Canister vent (CV) solenoid stuck closed (partially or fully).

Plugged or contaminated CV solenoid filter.

EVAP canister purge valve stuck open.

Fuel filler cap stuck closed (no vacuum relief).

VREF circuit open in fuel tank pressure (FTP) sensor.

Damaged FTP sensor. (fuel tank pressure)

Check for kinks or bends in the fuel vapor hoses/tubes (EVAP canister purge outlet tube and EVAP canister tube).

Visually inspect EVAP canister inlet port, CV solenoid filter and canister vent hose assembly for contamination or debris.

Check CV solenoid filter for blockage or contamination.

The common things I've seen are are mud in the canister and the canister vent solenoid being shot or the wiring to the canister vent solenoid being torn off. The resistance of the solenoid should be 48-65 ohms..
Pick up a Chiltons book and will give you a diagram of where exactly you find the canister. They are like $15 at any auto store. Good luck

May 22, 2011 | 2000 Ford Expedition

2 Answers

Check engine lite came on code is p1443 what does this code mean


P1443 Evaporative Emission Control System Control Valve The Evaporative Emission Control System monitors the fuel vapor flow between the engine intake manifold and the EVAP canister. The system failure occurs when a leak or blockage between the intake manifold, the EVAP canister purge valve and the EVAP canister is detected by the PCM.

Code P1443 Possible Causes:

- Pinched, blocked or plugged fuel vapor tubes/hoses (except between fuel tank and EVAP canister)

- Damaged EVAP canister

- Disconnected, cracked or cut fuel vapor tubes/hoses (except between fuel tank and EVAP canister)

- Damaged EVAP canister purge valve

May 04, 2011 | 1997 Ford Escort

1 Answer

1996 Ford Aerostar 3.0 L V-6 Constant check engine light ON Ran codes. Code says vacuum leak on fuel canister. I'd like to change all the vacuum lines. Don't have a good schematic. Haynes manual only...


what codes?

The vacuum lines run from the canister to the intake manifold. One is the purge hose to deliver stored fuel vapor to the intake to be burnd when engine is warm and you are crusing at part throttle. The other line is the vacuum line to operate it.

Fuel Vapor Valve, Aerostar (4.0L Engine) The evaporative emission valve (9B593) uses a small orifice, 1.83mm (0.072 inch), that allows vapors to pass into the vapor line running forward to the evaporative emissions canister (EVAP canister) (9D653). This evaporative emission valve mounts directly into the fuel tank (9002) using a fuel vapor separator seal. Fuel vapors trapped in the sealed fuel tank are vented through the orificed evaporative emission valve. The vapors from the fuel tank leave the evaporative emission valve through a single vapor line and continue to the evaporative emissions canister in the engine compartment for storage.
-----------------------------------------------------
Fuel Vapor Canister Purge Regulator Valve, Aerostar, Ranger Removal and Installation
  1. Disconnect wire harness from evaporative emission canister purge valve (EVAP canister purge valve) (9C915).
  1. Disconnect wire harness from thermistor.
  1. Disconnect evaporative emission canister purge valve assembly from fuel vapor canister and throttle body.
  1. To install, reverse removal procedure.
-----------------------------------------------------------------

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Mar 25, 2011 | Ford Aerostar Cars & Trucks

2 Answers

Codigo p1440


EVAP System Vent Circuit Malfunction

This diagnosis detects leaks in the Evaporative Emission (EVAP) purge line using of vapor pressure in the fuel tank. The EVAP canister vent control valve is closed to shut the EVAP purge line. The vacuum cut valve bypass valve will then be opened to clear the line between the fuel tank and the EVAP canister purge volume control solenoid valve. The EVAP control system pressure sensor can now monitor the pressure inside the fuel tank. If pressure increases, the Engine Control Module (ECM) will check for leaks in the line between the vacuum cut valve and EVAP canister purge volume control solenoid valve.

Possible causes
- Incorrect fuel tank vacuum relief valve
- Incorrect fuel filler cap used
- Fuel filler cap remains open or fails to close
- Foreign matter caught in fuel filler cap
- Leak is in line between intake manifold and EVAP canister purge volume control solenoid valve
- Foreign matter caught in EVAP canister vent control valve
- EVAP canister or fuel tank leaks
- EVAP purge line (pipe and rubber tube) leaks
- EVAP purge line rubber tube bent
- Blocked or bent rubber tube to EVAP control system pressure sensor
- Loose or disconnected rubber tube
- EVAP canister vent control valve and the circuit
- O-ring of EVAP canister vent control valve is missing or damaged
- EVAP canister is saturated with water
- EVAP control system pressure sensor
- Absolute pressure sensor

Possible solution
- Loose fuel filler cap
- Leaking fuel filler cap


Hope helps (remember to rate this answer).

Jan 05, 2011 | 2000 Hyundai Sonata

1 Answer

Obd-2 code p1455


DTC P1455 - Substantial Leak or Blockage in Evaporative Emission Control System

The PCM monitors the complete EVAP control system for no purge flow, the presence of a large fuel vapor leak or multiple small fuel vapor leaks. The system failure occurs when no purge flow (attributed to fuel vapor blockages or restrictions), a large fuel vapor leak or multiple fuel vapor leaks are detected by the EVAP running loss monitor test with the engine running (but not at idle).

Check this possible causes:
After-market EVAP hardware (such as fuel filler cap) non-conforming to required specifications
Disconnected or cracked fuel EVAP canister tube, EVAP canister purge outlet tube or EVAP return tube
EVAP canister purge valve stuck closed
Damaged EVAP canister
Damaged or missing fuel filler cap
Insufficient fuel filler cap installation
Loose fuel vapor hose/tube connections to EVAP system components
Blockages or restrictions in fuel vapor hoses/tubes (items also listed under disconnections or cracks)
Fuel vapor control valve tube assembly or fuel vapor vent valve assembly blocked
Canister vent (CV) solenoid stuck open
Mechanically inoperative fuel tank pressure (FTP) sensor


Check for audible vacuum noise or significant fuel odor in the engine compartment or near the EVAP canister and fuel tank

Tell us news.

Jul 19, 2010 | 1996 Ford Explorer

2 Answers

What is he code 455 for a 2006 hyundai sonata means


CODE PO455 EVAPORATIVE EMISSION SYSTEM LARGE LEAK DETECTED.POSSIBLE CAUSES CANISTER VENT SOLENOID MAY BE STUCK IN OPEN POSITION / EVAP CANISTER TUBE EVAP CANISTER PURGE OUTLET TUBE OR EVAP RETURN TUBE DISCONNECTED OR CRACKED OR CANISTER IS DAMAGED / EVAP CANISTER PURGE VALVE STUCK CLOSED OR CANISTER DAMAGED / FUEL FILLER CAP MISSING LOOSE NOT TIGHT OR THE WRONG PART / FUEL VAPOR HOSES TUBES BLOCKED OR RESTRICED OR FUEL VAPOR CONTROL VALVE TUBE OR FUEL VAPOR VENT VALVE ASSEMBLY BLOCKED /FUEL TANK PRESSURE SENSOR HAS FAILED MECHANICAL FAULT /FUEL TANK CONTROL VALVE IS CONTAMINATED DAMAGED OR HAS FAILED.

Oct 21, 2009 | 2006 Hyundai Sonata

1 Answer

My taurus failed due to code p0442 ecap emiss ctl sys leak detected (small leak)


    Continuous Memory Diagnostic Trouble Code (DTC) P0442 indicates that a fuel vapor leak has been detected [as small as 0.10 cm (0.04 inch)] in the Evaporative Emission (EVAP) system.
    Note: Prior to performing the following diagnosis inspect the Canister Vent Solenoid (CV) for contamination. A situation may exist where contamination holds open the Canister Vent (CV) solenoid enough to set DTC P0442 and also plugs the port to atmosphere enough to keep system from being vented quickly.
    • After market parts and accessories nonconforming to the EVAP system specifications.
    • Damaged, cross threaded or loosely installed fuel filler cap.
    • Small holes or cuts in fuel vapor hoses/tubes (EVAP canister tube, EVAP canister outlet tube or EVAP return tube) in the EVAP system.
    • Loose fuel vapor hose/tube connections to EVAP system components.
    • EVAP system component [EVAP canister purge valve, fuel tank pressure (FTP) sensor, canister vent (CV) solenoid, fuel vapor control valve tube assembly or fuel vapor vent valve assembly] seals leaking.
    • CV solenoid partially open when commanded closed.
    • EVAP canister leaking.
  • Check for presence of fuel filler cap.
  • Verify that the CV solenoid is properly seated on the EVAP canister (if possible).
  • Visually inspect for cut or loose connections to fuel vapor hoses/tubes in following locations:
    • EVAP canister to EVAP canister purge valve.
    • EVAP canister to fuel vapor vent valve assembly.
    • fuel vapor control valve tube assembly to fuel tank (if applicable).

Jun 26, 2008 | 1997 Ford Taurus

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