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My jeep is throwing a code for a vapor leak. ive checked all hoses nothing to seems to be leaking but my jeep has a very strong odor of gas

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Your problem is most likely coming from your gas cap. Your vehicle's gas cap may seem tight, but the rubber washer around the inner edge of the gas cap may be defective. Go purchase another gas cap for your car at one of the nearest auto part's location's nearest you. Change the gas cap and reset your vehicle's computer by taking the positive terminal off for a minute and replace the battery cable back on the vehicle. This method reset's your vehicle's computer. If the gas cap is the main problem, your check engine light won't come back on and your problem is solved. Gas is highly combustible and dangerous. always use precaution's when doing any work on your vehicle that require's working with any part's associated with any part's of the gas emission's system including the gas tank, gas cap, purge solenoid, charcoal canister, fuel filter, fuel pump, etc., etc. the gas smell can also be coming from a broken or faulty rubber gas line or the metal clamp's connected to the rubber hose's located between the gas tank fill valve and the gas tank itself. there are several black rubber gas hose's associated with the gas tank. have a qualified technician check the gas emission's system for any and all leak's gas also evaporate's fast, do to the combustibility again always use caution when attempting any and all repair's requiring checking the gas or emission's evaporation system. Sincerely Crystopper.

Posted on Dec 03, 2012

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Posted on Jan 02, 2017

fixincars
  • 335 Answers

SOURCE: gasoline odor

Oh yes there is and there is a charcol canister up under the hood that captures the vapors if the canister is full you could smell fuel.
You will need a shop that has a SMOKE MACHINE to find the leak in the evaporative emissions plumbing from the tank to the engine compartment.

Please give me a fixya! Rating if this information is helpful

www.aceautomotive1.com

Posted on Aug 21, 2008

  • 41 Answers

SOURCE: strong gas odor but no leaks

I had an old chevy truck that was carbureted with a mechanical fuel pump. I drove for months with the same fuel smell. It ended up being a small hole in the pump itself, on the side of the engine. It evaporated too quickly from the hot engine temperature to catch. hope maybe that might help if you have a mechanical pump.

Posted on Apr 27, 2009

emissionwiz
  • 75222 Answers

SOURCE: strong odor of gasoline vapors

do u have a check engine light on? do u overfill the tank? which is to say when the filler nozzle clicks off do u still try to put more fuel in? in any event u most likely have a overloaded carbon canister, pull the canister out and check it for gasoline saturation, the carbon canister is located under the car in a tray near the fuel tank.

Posted on Apr 29, 2009

  • 236 Answers

SOURCE: 03 Jeep Liberty - Evap system small leak

how about the filler neck. just had to replace mine and now its fine

Posted on Jun 18, 2009

tech1969
  • 442 Answers

SOURCE: my chevrolet 2004 impala has a strong gas odor.

check the evap emission hoses from gas tank and evap canister,one pipe goes up by the fuel door.is your code a p0446 or p0445

Posted on Oct 21, 2010

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Po442 check iight


p0442 means Evaporative Emission Control System Leak Detected (small leak)

What does that mean?
The vehicle's PCM (powertrain control module) tests the evaporative emissions (EVAP) system for large and small leaks among other conditions. In the case of this DTC, it indicates a fuel vapor leak in the EVAP control system. It means a very small leak has been detected. In fact, the leak can be from a hole as small as 0.04" in diameter. 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.
Symptoms
The only thing you will notice is the Malfunction Indicator Lamp (MIL) a.k.a. Check Engine Light will be illuminated. You likely won't notice any drivability problems although sometimes a fuel odor may be noticed.
Causes
A code P0442 most likely means one or more of the following has happened: A loose or improperly affixed gas cap A non-conforming gas cap (i.e. not factory/original brand) A small leak/hole in a fuel vapor hose/tube Other small leak in EVAP system Faulty vent o-ring seal Defective vent valve Defective purge valve Defective leak detection pump
Possible Solutions
With a P0442, the most common repair is to: Remove and reinstall the gas cap, clear the codes, and drive for a day and see if the codes come back. Otherwise, replace the gas cap (we recommend an OEM not aftermarket part), or Inspect the EVAP system for cuts/holes in tubes/hoses More advanced troubleshooting steps include: Using an advanced scan tool, perform an EVAP leak test Verify operation of the EVAP purge solenoid / valve Perform a smoke test to see where the leak is

Oct 20, 2013 | 2007 Saturn Aura XR

3 Answers

What is code PO496 and PO455 for a 2007 Pontiac Grand Prix mean


P0496 is not alisted code.
P0455 - Evaporative Emission Control System Leak Detected Gross Leak (fuel vapors)
Symptoms - Engine Light ON (or Service Engine Soon Warning Light)
- Possible a noticeable fuel odor caused by the release of fuel vapors 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

Jan 24, 2012 | 2007 Pontiac Grand Prix GXP Sedan

3 Answers

P0456 error code on a 2003 Mits. Galant


P0456 = "Evaporative emission (EVAP) control system leak detected (very small leak)."

Feb 25, 2011 | Mitsubishi Galant Cars & Trucks

2 Answers

Check eng. light is on, scanner sais small emissions leak, replaced rubber connecting lines already. Help


Small emission leak would indicate to me that the exhaust is leaking, maybe, throwing off the O2 sensor.

If it's an evaporative leak, then I would make sure the gas cap is on tight, and that the filler tube is connected with a vapor tight connection to the tank, and that the tank has no leaks in it.

What was the code, exactly, if I might ask?

Jan 14, 2011 | 1999 Jeep Cherokee

1 Answer

Code, p0442 p0445


P0442 - Evaporative Emission Control System Leak Detected (small leak)

This indicates a fuel vapor leak in the EVAP control system. It means a very small leak has been detected. In fact, the leak can be from a hole as small as 0.04" in diameter. 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.

Symptoms: You likely won't notice any drivability problems.

Causes: A code P0442 most likely means one or more of the following has happened:
* A loose or improperly affixed gas cap
* A non-conforming gas cap (i.e. not factory/original brand)
* A small leak/hole in a fuel vapor hose/tube
* Other small leak in EVAP system
* Faulty vent o-ring seal

Possible Solutions: with a P0442, the most common repair is to:
* Remove and reinstall the gas cap, clear the codes, and drive for a day and see if the codes come back.
* Otherwise, replace the gas cap, or
* Inspect the EVAP system for cuts/holes in tubes/hoses



P0445 - Evaporative Emission Control System Purge Control Valve Circuit Shorted.
Possible Solutions: with a P0445, the most common repair is to:
* Bad or loss contact wires
* Check harnesses, replace it


Hope helps (remember to rate this).

Nov 05, 2010 | 1999 Jeep Cherokee

2 Answers

Strong gas odor


  1. The fuel lines may have a leak: Replace leaking fuel lines and/or fuel line fittings.
  2. The engine may have mechanical problems: Check vacuum lines and fittings for leaks. Check engine compression. Check for broken fittings and mounts.
  3. The fuel pressure regulator may be operating at too high a pressure: Perform fuel pressure test and repair or replace faulty component(s).
  4. The ignition timing may be set wrong: Check and adjust ignition timing.
  5. The fuel injectors may leak: Clean or replace fuel injectors.

Sep 15, 2009 | 1996 Ford Explorer

3 Answers

Strong fuel odor coming from left front fender by air filter ,also a lot of pressure build up in tank when you remove cap kmkaren56.@bellsouth.net


If the check engine light is on, take the car to an autoparts store and have them use a scan tool to retrieve any fault codes stored in the computer. Most autopart stores offer this service at no charge. There could be a problem with the evaportative emission control system. There is a charcoal cannister that stores gas vapors and when conditions are right, a purge valve opens and the vapors are used in the combustion process. The cannister can get full of vapors and if the valve/solenoid is bad, it cannot purge itself of the vapors. Also integral to the system is the gas cap. A faulty gas cap can cause problems within this system. I am not saying that the evap system is the cause, but the pressure build up in the tank makes me suspicious. Get the codes read and it will help narrow things down for you. Sure hope this helped and best wishes.

Jul 23, 2009 | Buick LeSabre Cars & Trucks

2 Answers

Gasoline odor


Oh yes there is and there is a charcol canister up under the hood that captures the vapors if the canister is full you could smell fuel.
You will need a shop that has a SMOKE MACHINE to find the leak in the evaporative emissions plumbing from the tank to the engine compartment.

Please give me a fixya! Rating if this information is helpful

www.aceautomotive1.com

Aug 21, 2008 | 1991 Plymouth Acclaim

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