Question about Hyundai Motor 2003 Elantra

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After fillup if parked on hill, car sputters, suspect vapor canister or check valve??

After I fill-up and park on a slight hill overnight, my car will "sputter" and/or die at red lights, restarts immediately, I suspect vapor canister or check valve failure, I do NOT overfill??

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  • paul ayers
    paul ayers May 10, 2014

    how do you test the vapor canister??


1 Answer

So have the Evap System tested

Posted on May 10, 2014

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Posted on Jan 02, 2017

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SOURCE: Car reving up and down on its own 3 to 4 times, then sputtering and dying?

The previous solution to check the idle air contol is in the correct area but needs some clarification.
The idle control is accomplished by two parts: Throttle position sensor ( $35 at Autozone) and idle contol valve approx $190. I replaced the throttle position sensor about a week ago and it runs perfect
to date but am a skeptic after almost two years of dealer incompetance. I researched all the sensors and failure symptoms on the internet and the throttle position sensor failure symptoms matched mine
exactly. See _Position_Sensor

Posted on Dec 04, 2008

  • 1 Answer

SOURCE: The cars starts sputtering and

the car starts sputtering and blowing smoke
the oil is find
it is 1998 buick lasaber

Posted on Mar 04, 2009

  • 67 Answers

SOURCE: fuel leak from evap canister

if you continually overfill the gas tank by trying to top off after the pump clicks off you will get raw fuel into the canister. if that is the case you will need to replace the evap canister and filter.

Posted on Aug 07, 2009

  • 1280 Answers

SOURCE: i have a 2002 hyundai accent, i could not pump gas

First GUESS.. replace the charcoal canister after you have cleaned out the hoses between it and the canister. Then blow air between the purge control solenoid valve and the fuel tank.

Posted on Nov 04, 2009

  • 24 Answers

SOURCE: need location of vapor canister and purge valve in

The Canister Is located on the rear drivers side under the car (Big black box with 3 rubber lines). And the purge valve is located on the in the center on the back of the intake manifold (2 rubber lines and 1 plug).

Posted on Nov 15, 2010

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1 Answer

Purge valve solenoid canister located on a 2003 Ford Taurus code po457

  • Park the Taurus on a level surface, set the parking brake and turn off the engine. Chock the wheels.
  • Open the hood and disconnect the negative battery cable.
  • Stand on the passenger's side and shine the flashlight along the firewall.
  • Look for a plastic cylindrical object about 2 inches high, mounted on the firewall near the right fender. This is the purge valve. You should see a thick black hose entering it from the driver's side of the unit.
  • The Ford Taurus canister purge control valve is a part of the evaporative emission control system, which keeps fuel vapors from escaping into the atmosphere. Pressure inside the gas tank fluctuate due to fuel level, environmental conditions and driving style. The extra vapor is vented into a storage canister under the rear of the car, outside the fuel tank, and is fed into the purge control valve through a rubber hose. The power-train control module monitors fuel tank pressure through a tank pressure sensor. It opens the canister purge valve as necessary to keep this pressure within design limits.

Feb 18, 2017 | Ford Taurus Cars & Trucks

1 Answer

Starter sounds weak and sputter-y when trying to start car on a slight hill. but not when it's parked flat.

Set the parking brake first, then put it in park, when you kill it. That way the parking brake is holding it, not the tranny. See if it makes any difference? Also, check proper voltage and ground for the starter motor.

Mar 17, 2016 | 2001 Chevrolet Monte Carlo

1 Answer

My 1999 lincoln Continental wont shift out of "PARK"

Is the vehicle parked on an incline? The parking pin may be slightly jammed. If you can VERY CAREFULLY nudge the vehicle up the hill an inch or two, using another vehicle, the shift lever may free itself.
If the vehicle is parked on level ground, suspect the LOCKING SOLENOID for the shift lever.
Less likely, the parking pin may be jammed (inside the transmission), or the shift lever linkage may have become damaged.

Aug 12, 2014 | 1999 Lincoln Continental

1 Answer

Could the low heat issue on a 94 dodge caravan be a vapor lock in the coolant system?

did you do anything which may cause a vapor lock? if you suspect there is, you need to park your car upwards on a hill or raise the front of car, let it idle and try to bleed system with bleeding it while heat is on inside. while bleeding it you cna try to squeeze radiator hoses too.

Nov 19, 2011 | Cars & Trucks

1 Answer

I have a 1999 corolla and it failed e check the codes are po441 and po446 what are these and how can I pass e check? Thanks


Those are EVAP codes - they are emissions related and generally will pose no serious issue to the car. But, in areas that smog cars, having any EVAP codes (CEL for that matter) is an automatic failure.

Most of the time, those codes can be traced back to a purge valve or leaking vacuum lines on the vapor canister (black plastic box underneath the car, right infront of the gas tank. In a few of the cases, the vapor canister is either cracked or completely saturated with fuel. Ususally as a result of topping off the gas tank on fillup (should never top off the tank in this car).

But the EVAP system is fairly complex - those same codes could relate to any leak in the system from the VSV valve under the hood (look for the green cap on a hose, next to the airbox uder the hood) all the way back to the vapor canister and its associated hoses and valves, to the fuel fill line to a cutoff valve on top of the gas tank itself. Easiest way to find a leak is to smoke check the EVAP system - only a shop has the necessary equipment to do that. Due to the specialized equipment and amount of time/effort to diagnose this issue - many times, it is easier to have a shop diagnose the problem, and you can fix it yourself. Valves runs about $50-$75 bucks - hoses are pretty cheap, vapor canister runs from $150-$350, depending on where you get them.

Stay away from any shops that scan the ECM, pull the codes, and say - X component is bad, we need to replace it. You cannot diagnose this sort of problem with a handheld scanner - you need to test the whole system, check every valve, check every hose. Most shops don't like doing the diagnostic work - since it is so labor intensive - they rather just swap parts in, usually at the expense of your wallet.

I hope this helps. Thanks Mike from Fixya

Aug 08, 2011 | 1999 Toyota Corolla

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)

May 28, 2011 | 1998 Ford Escort

1 Answer

Runs out of gas on hill when parked nose down.

If you have a 30 gallon tank this can happen on steeper hills. the sending unit holds the pump in a canister that holds about a quart of fuel. if the canister is not sitting in fuel it willnot **** it into the canister. when the fuel is used in the canister your car dies. pretty normal. hope this helps

May 20, 2010 | 2008 Jeep Liberty

2 Answers

OBD code P0449

that dtc is for evap system vent valve solenoid circuit. the computer is having a problem opening or closing that solenoid (a kind of electric motor that in this case moves to allow or prevent evaporated fuel to leave a canister that captures it) and it's letting you know that it has this problem because proper operation of that system is important to the emissions level of the vehicle. it also contributes to better fuel economy so you probably do want to fix it. the quick and easy way to deal with it is to replace the evap canister vent valve and hope that it wasn't the wires in between that part and the enigne computer that were causing the problem. your tahoe is new enough that this is probably a good guess, the wires are probably good. just a tip, when you put fuel in your vehicle stop when the pump quits the first time. if you keep pumping fuel into it you can fill the evaporative canister and evap system with fuel and the little electronic parts aren't made to take being submerged in raw gasoline. hope that helps

Jun 04, 2009 | 2006 Chevrolet Tahoe

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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