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Chrysler 300 2010 had loose gas cap code I Fixed gas cap but engine light still on

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  • Chrysler Master
  • 10,875 Answers

Check for other codes

Posted on Apr 27, 2015

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: kia engine codes

I f you dont have a code reader try disconnecting the neg (black) side of the battery and let it stay for about 10 min this should re boot computer

Posted on Jul 18, 2008

greg_margo
  • 1959 Answers

SOURCE: i have 2005 neon sxt keep having code po457 evap

fuel cap is just one of the causes. Here are 2 others:

  • possible vacuum leak
  • NVLD switch is stuck or malfunctioning
NVLD switch communicates with your car's computer. A bad switch will throw a P0457 error code. Check for a vacuum leak 1st but if none is found, the NVLD switch should be changed.
Below is a link that explains more thoroughly what the module does; I do wish you the best of luck with your Neon and hope you found this information helpful. Take care!
http://www.search-autoparts.com/searchautoparts/article/articleDetail.jsp?id=377511&sk=&date=&pageID=3

Posted on May 11, 2009

  • 412 Answers

SOURCE: 2002 Chrysler Town & Country Evaporator leak

THERE ARE SEVERAL EVAP HOSE LEAK SPOTS ON THESE VEHICLES..UNDER VEHICLE BY EVAP CANISTER,UNDER AIR CLEANER..ALSO LDP VENT VALVE NOT HOLDING VACUUM WILL SET A LEAK CODE..SMALL BLACK VALVE WITH A HOSE ON EACH END WITH A SMALL VACUUM HOSE ON TOP..IT SHOULD HOLD VACUUM WITH HAND HELD VACUUM PUMP..HAVE ALSO SEEN SPLIT HOSES NEAR EVAP SERVICE PORT LOCATED NEXT TO AIR CLEANER HOUSING

Posted on Jul 05, 2009

  • 89 Answers

SOURCE: resetting honda civic check engine light

watch this free video on how to diagnose and reset your engine light if video dosent work go to www.vehix411.com

Posted on Oct 25, 2009

  • 17 Answers

SOURCE: I have a 2004 Chrysler Town and Country and my

P0440:

  • Remove and reinstall the gas cap, clear the code, and drive for a day and see if the codes come back.
  • Inspect the EVAP system for cuts/holes in tubes/hoses
  • Inspect for damaged or disconnected hoses around the Evap purge solenoid
  • Check and/or replace the sensor
  • Check and/or replace the purge valve
  • Have a professional use a smoke machine to detect leaks

  • P0441:
    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

    Posted on Dec 21, 2009

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    1 Answer

    Chrysler 300 2010 had a loose gas cap code fixed it but engine light still on


    The code is telling it can't pressurized the tank because there an air leak usual from the gas cap.

    Try taken the cap off than put it on again, but make sure that the engine off and the key not in the ignition. If that doesn't work try a different gas cap. Make sure that the tank is full it help also get rid of the code.

    Apr 27, 2015 | Chrysler Cars & Trucks

    5 Answers

    Service engine soon light was on and now went off? what is the problem?


    Often times it is a loose gas cap. Have you refueled between the light going on and going off? You probably fixed your problem.

    Mar 02, 2015 | 2004 Chrysler Sebring

    1 Answer

    2008 chrysler sebring touring p0457


    I would replace the cap first.
    The code means the computer can not vent the fuel tank to the vapor canister because there is a leak somewhere. The most common spot is the gas cap.
    If a new cap does not fix the problem, you would need to have someone check all of the hoses and valves for a leak, including the gasket on top of the gas tank.
    You have to use a scanner to clear the code and turn the light off when the problem is fixed.

    Dec 23, 2012 | Cars & Trucks

    1 Answer

    Check Engine Light


    have you ever changed the plugs,wires, rotor, distributor cap?it just may need a tune up. check under the cap for any signs of electrical corrosion or cracks or moisture, when was the last time the engine oil was changed? sludge in a engine will also trigger codes which will give you a check engine light even something as simple as a loose gas cap or a worn gasket on the gas cap will trigger a code

    Jan 02, 2012 | Chrysler Sebring Cars & Trucks

    2 Answers

    My check engine light came on. The dealership said "filler neck leaking causing evaporative leak." The gas cap also says "loose cap will turn on check engine light." Would like to try a new gas cap but...


    sad to say sir that how to clear the code is not easy in manual clearing, you need diagnostic tool to clear the dtc, but some dtc will cleared by 20-50 consecutive warm up if no other trouble code detected by the computer

    Jun 19, 2010 | 2001 Chrysler Town & Country

    2 Answers

    Check engine light came on Tuesday afternoon, after I filled the gas tank on Monday afternoon. If the check engine light came on because of the gas cap not being on tight enough, do I just tighten the gas...


    Check engine light might have came on because of loose gas tank cap, but it's a good idea to read the code and check if it's not something else, you can take your car to an Auto Zone and they read the code for free and tell you the cause also. But if you want to reset the check engine light, only way is to disconnect the battery terminals and let it set overnight, check engine light will be reset. Hope it helps and let me know if you need more advice. Please don't forget to rate the answer it helps with my ratings, thanks!

    Apr 28, 2010 | 2002 Chrysler Town & Country

    2 Answers

    Check engine light is on and where the milage goes it says gas cap


    Your gas cap is loose and setting a code, may need to replace cap. When you tighten gas cap turn cap slowly it may seal better. You should feel it turn before it starts to click..

    Feb 23, 2010 | 2006 Chrysler Pacifica

    1 Answer

    Check engine light on 2001 chrysler 300m. The code says it has to do with either my gas cap not being tight or some sort of fuel fumes. I'm sorry I don't know the codes.


    Make sure that the gas cap is the correct one. If the gas cap was replaced with a different style or a locking cap this will set off the check engine light. It can tell there is a problem because it measures the built-up pressure in the gas tank. So the pressure is not building in the tank due to a loose or incorrect fitting gas cap or a loose,cracked fuel line, or bad check valve in the charcoal canister for the fuel tank vapor release line.

    Oct 03, 2009 | 2001 Chrysler 300M

    1 Answer

    2005 pt cruiser check engine light came on put a diagnostic code tester on and it came up code po457 and po456 what would this mean?


    P0457 is a loose gas cap, P0456 is a small evap system leak. The seal on your gas cap is probably worn. Replace the cap, clear the codes with either a diagnostic tester or by disconnecting the battery for a few minutes and reconnecting it. It will take a few days for the code to come back if it isn't fixed, but that usually does the trick. I hope this helps.

    Apr 27, 2009 | 2005 Chrysler PT Cruiser

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