Question about 1999 Hyundai Sonata

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On-Board Refueling Vapor Recovery (ORVR)

Slow fuel refill of tank, pump keeps shutting off.

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6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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  • 142 Answers

SOURCE: Gas pump nozzle shuts off off repeatedly when refilling fuel tank

Replace the filler neck that goes to the tank.

Posted on Feb 16, 2009

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venexcsd
  • 1185 Answers

SOURCE: can't fill the tank

There is a breather tube fitted to the tank which allows air to escape when you fill it with fuel.

That is either blocked or compressed.

When you take the filler cap off is there a gust of air in or out of the tank

Posted on Jun 14, 2009

  • 580 Answers

SOURCE: 2001 hyundai sonata 4 cl can't pump fuel into tank @ normal rate

The sending unit in your tank is going bad replace it.

Posted on Jul 10, 2009

suarezelec20
  • 259 Answers

SOURCE: How do I correct the problem with the onboard vapor recovery line? Fuel is pumping very slow.

More than less likely it isn't in the vapor recovery as much as it is in the unit regulating flow. Some cars have a regulator attached somewhere close to the injectors, others have the vacuum bulb and line that regulate as the car creates vacuum while it is running. Still this may not be the problem, as you have to consider that it could be from the fuel pump or a filter that is clogged. You will have to find out where the loss in pressure is occurring and "why."

Posted on Sep 26, 2012

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2008 Chrysler 300 2.7 fuel pressure regulator location


Hey Londell,
Hope this helps..tThis vehicle uses a saddle type tank a reservoir on both sides of the rear drive shaft. The fuel pump is in the module on the driver side of the vehicle and the fuel pressure regulator is in the module on the passenger side of vehicle. The fuel outlet is on the passenger side and supplies fuel to the engine. The fitting on the fuel pump module (Driver side) is a vapor line fitting that connects to the passenger side module. Both modules have fuel level sending cards. There are 2 hoses that connect the modules together one is the fuel supply line the other is a return or siphon hose. The lines are removed from the fuel pump module when servicing either unit. The ORVR (Onboard Refueling Vapor Recovery) control valve is in the passenger side module.

Jun 19, 2017 | Chrysler 300 Cars & Trucks

1 Answer

Hard to refill gas tank have to pump real slow car runs fine


You've got your gas tank presure release valve.stuck or no good

Jul 15, 2014 | Hyundai Motor 2003 Sonata

1 Answer

Error code p1457


P1457 ACURAP1457 ACURA - Evaporative Emissions Control System Leakage EVAP Canister System


0 Comments ' Add YoursPossible causes- Missing Fuel cap
- Incorrect fuel filler cap used
- Fuel filler cap remains open or fails to close
- Foreign matter caught in fuel filler caphelp.png Help with thisSymptoms- Engine Light ON (or Service Engine Soon Warning Light)
- Possible a noticeable fuel odor caused by the release of fuel vaporsP1457 ACURA DescriptionThe evaporative emission (EVAP) control system stores fuel vapor from the fuel tank in the EVAP canister temporarily to prevent it from escaping to the atmosphere and to enable it to be drawn into the engine by intake manifold vacuum and burned. In addition, the onboard refueling vapor recovery system (ORVR) stores fuel vapor generated when refueling in the EVAP canister.

The EVAP control system leak detection method improves the accuracy and frequency of the detection by determining faulty components and vapor leakage for each part. The EVAP control system (from the purge valve to the fuel tank) is divided into two parts. One is the "EVAP Canister Side" (from the EVAP two way valve to the purge valve) and the other is the "Tank Side" (from the EVAP two way valve to the fuel tank). There is 0.04 inch leak detection and 0.02 inch leak detection. If the 0.04 inch leak detection results are OK, the 0.02 inch leak detection runs.The P1457 code is detected when the EVAP system has a very small leak.

Sep 13, 2012 | 1996 Acura RL

1 Answer

What is P 1491 in Nissan pathfinder 2003 and how to fix it


DTC 1491 (VACUUM CUT VALVE BYPASS VALVE) DIAGNOSIS

SERVICE PROCEDURE

1. Confirm the Vacuum Cut Valve is installed correctly

NOTE :

^ The Vacuum Cut Valve will not work correctly and a DTC will be stored if it is installed upside-down.

^ The Vacuum Cut Valve is a white plastic valve near the fuel tank and EVAP canister.


2. Connect CONSULT-II and turn the ignition key to "N" (do not start the engine).

3. On CONSULT II, select ENGINE - DATA MONITOR - SELECTION FROM MENU - EVAP SYSTEM PRESSURE SENSOR.

4. Note the EVAP System Pressure Sensor Voltage Confirm that it is reading in a normal range for a key ON arid engine OFF condition.

NOTE :For 2001 models and earlier:

^ Voltage in step 4 should be near 3.36 volts.

^ The normal range is between 3.32 - 3.40 volts.


For 2002 models:

^ Some 2002 models use a new type EVAP System Pressure Sensor with different operational characteristics.

^ Refer to the EC section of the appropriate Service Manual to determine which type sensor your vehicle is equipped with.

^ Models that use the new type EVAP System Pressure Sensor will have a voltage reading that varies with changes in the "barometric" pressure (atmospheric air pressure that changes with altitude and/or weather conditions).

^ The usual voltage range obtained in step 4 with the new type EVAP System Pressure Sensor is between 3.8 and 4.2 volts. Because this range will vary with barometric pressure, it is best to compare readings with a known good vehicle.

^ Some 2002 models use the earlier type EVAP System Pressure Sensor (same as used on 2001 and earlier models). The normal range for the earlier type is 3.32 to 3.40 volts and does not vary with barometric pressure.


5. Start the engine. Observe the EVAP System Pressure Sensor voltage.

^ If the value has reduced 0.04 volts or more from the reading obtained in step 4, the EVAP Canister Purge Volume Control Solenoid Valve may be leaking.

^ Refer to the EC section of the appropriate Service Manual for inspection procedures of the EVAP Canister Purge Volume Control Solenoid Valve, DTC P1444.


NOTE :The EVAP Canister Purge Volume Control Solenoid Valve is located in the engine compartment.

6. Perform the DTC Confirmation Procedure for DTC P1491. Refer to the EC section of the appropriate Service Manual for confirmation procedure steps and driving conditions.

7. If the DTC confirmation results are NG, do the following:

a. Refer to the EC section of the appropriate Service Manual to determine if the vehicle is equipped with On-Board Refueling Vapor Recovery (ORVR).

^ If the vehicle has ORVR, go to b.

^ If the vehicle does NOT have ORVR, go to step 8.

b. Place a clamp on the Refueling EVAP Vapor Line near the fuel tank. The Refueling EVAP Vapor Line is the larger hose (see figure 2). Use hose clamp (3M P/N # 08556-1), found in Fuel Injector Cleaning Kit J-45701, or equivalent.

c. Retry DTC Confirmation Procedure

d. If the result is now OK, the Refueling Control Valve may be leaking and should be inspected. Refer to the EC section of the appropriate Service Manual for Refueling Control Valve inspection procedures.

8. If the DTC confirmation is still NG after step 7, or the vehicle is not equipped with ORVR, do the following:

a. Disconnect two (2) lines from the Vacuum Cut Valve. One that goes to the fuel tank and one that goes to the EVAP Canister (see figure 1).

b. Use a hand vacuum pump to check each of the two (2) disconnected hoses for free flow. Make sure they are clear into the fuel tank (vent line) and into the EVAP Canister (see figure 2).


NOTE :

^ Figure 2 includes ORVR system. Refer to the appropriate service manual to determine if your vehicle has ORVR or not.

^ The lines between the Vacuum Cut Valve and Fuel Tank, and between the Vacuum Cut Valve and EVAP Canister may go through a metal line. Make sure the lines are clear between the Vacuum Cut Valve and Fuel Tank, and between the Vacuum Cut Valve and EVAP Canister, including any metal lines.

c. If any blockage is found, determine the cause and repair as necessary. Blockage in either of these lines will cause a DTC.


9. If all of the above checks do not locate the source of the incident, refer to the appropriate Service Manual for further DTC P1491 diagnosis.

Jun 29, 2011 | Nissan Pathfinder Cars & Trucks

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)
aa3060b.gif

May 28, 2011 | 1998 Ford Escort

1 Answer

Have a 2006 Hyundai Santa Fe LTD/4WD and hit a big pot hole and then the check engine light came on. took it to autozone and read two error code the EVAP malfunction and some kind sensor misalignment but...


The most common causes for error code P0442 (EVAP small leak detected) are listed below:

? Fuel filler cap damage or missing

? Faulty or damaged fuel filler pipe

? Leaking, disconnected or plugged fuel vapor lines.

? Fuel in lines due to faulty Rollover Valve

? On-Board Refueling Vapor Recovery Valve (ORVR valve) or stuck closed CCV.

? Improperly installed or stuck Purge Control Solenoid Valve (PCSV).

? Faulty Fuel Tank Pressure Sensor (FTPS).

? Leaking canister

May 25, 2011 | Hyundai Santa Fe Cars & Trucks

2 Answers

P0455 evap emission control system leak (large) on 2000 VW beetle


EVAP evaporative emissions systems monitoring
This system includes the on-board refueling vapor recovery (OVRV) system with leak detection (LDP) pump.

The ORVR system filters fuel vapor through the EVAP canister to prevent vapor escaping directly into the atmosphere.

The engine Control Module (ECM) determines when appropriate conditions are met and activates the LDP to pump a small amount of air pressure into the fuel tank and lines. The pump runs until a pre-determined pressure or time is reached. If the system does not hold the pressure, a fault or DTC is stored in the ECM.

The area this is located is behind the right plastic rear wheel liner cover. You will see the fuel filler neck from there and the rest of the EVAP system. Visual check for cracks on all the hoses specially the hose clamps. There are 3 lines connected to the Activated charcoal canister (EVAP canister fastened to body) that are detachable and use O-rings for secured sealing. Check if O-rings, if damaged, replace.

Apr 18, 2010 | 2000 Volkswagen Beetle

2 Answers

When I go to fill up the gas tank the gas keeps cutting off at the pump handle and I have to slow the gas pump to a trickle in order to fill the tank.


The problem is that your gas tank "pushes back" like it's full even when it isn't and makes the fuel valve click off. Tom and Ray on Car Talk covered this in a 2007 show and I pasted some of their response below:

"RAY: This condition is probably caused by either a blockage in your gasoline vapor recovery lines or a bad refueling control valve.

TOM: Gasoline vaporizes. How do we know that? Well, when gasoline is spilled, you can smell it, right? What you're smelling is vaporized gasoline.

RAY: And in the old days, when you filled up your tank, all the air inside the tank -- the air filled with gasoline vapors -- came whooshing out through the filler hole or through a vent at the top of the gas tank.

TOM: But then people in places like Los Angeles realized they couldn't see the person standing next to them due to smog. And since gasoline vapors contribute to smog, car makers were forced to install devices to capture those vapors.

RAY: So now each car has a vapor recovery unit that collects the gasoline vapors from the tank and then, the next time the car is started, sends them to the engine, where they're combusted. Your vapor recovery system isn't working, Lottie. One possibility is that one of the rubber hoses is blocked or collapsed."

Sep 16, 2009 | 2007 Lincoln MKX AWD

1 Answer

2006 jeep liberty will not take gas keeps clicking off gas pump. 3rd time at dealer. dealer has no idea what's wrong


The ORVR (On-Board Refueling Vapor Recovery) system consists of a unique fuel tank, flow management valve, fluid control valve, one-way check valve and vapor canister.

The ORVR (On-Board Refueling Vapor Recovery) system is used to remove excess fuel tank vapors. This is done while the vehicle is being refueled..

Fuel flowing into the fuel filler tube (approx. 1 inches I.D.) creates an aspiration effect drawing air into the fuel fill tube. During refueling, the fuel tank is vented to the EVAP canister to capture escaping vapors. With air flowing into the filler tube, there are no fuel vapors escaping to the atmosphere. Once the refueling vapors are captured by the EVAP canister, the vehicle's computer controlled purge system draws vapor out of the canister for the engine to burn. The vapor flow is metered by the purge solenoid so that there is no, or minimal impact on driveability or tailpipe emissions.

As fuel starts to flow through the fuel fill tube, it opens the normally closed check valve and enters the fuel tank. Vapor or air is expelled from the tank through the control valve and on to the vapor canister. Vapor is absorbed in the EVAP canister until vapor flow in the lines stops. This stoppage occurs following fuel shut-off, or by having the fuel level in the tank rise high enough to close the control valve. This control valve contains a float that rises to seal the large diameter vent path to the EVAP canister. At this point in the refueling process, fuel tank pressure increases, the check valve closes (preventing liquid fuel from spiting back at the operator), and fuel then rises up the fuel filler tube to shut off the dispensing nozzle.

Dec 22, 2008 | 2006 Jeep Liberty

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