P1684 and P0442



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Thread: P1684 and P0442

  1. #11
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    2003 Chrysler Town and Country Mini-Van

    My check engine light came on in May I took it to Auto Zone and they checked it for free and told me it was the gas cap. Well, I tightened the gas cap and reset the check engine light by unhooking the battery cables. It was fine until July. Then when I took it to have it inspected they did a diagnostic test on it and said it was the code P0442 a leak. So, now I'm stumped and confused. I'm a 39yr old woman trying to survive with two kids. I can't afford to have it worked on, I can barely make the payments...So, I wondering is the anyone out there that can take me step by step through the process of trying to solve this on my own? I'm desperate!

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  3. #12
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    http://www.obd-codes.com/p0442

    As stated in the link this could again be as simple as a poorly sealing gas cap or as challenging as any of several vacuum lines in the EVAP system. This can be tough to track down without using the normal smoke machine test equipment used to trace the leak.

    I take it your service engine light came back on before the test? Does "took it to have it inspected" mean for your states emissions testing and now that it failed you have a short period of time to get it fixed? Most states emissions testing usually includes a pressure test on the gas cap using a purpose designed tester. Did they do that?

    If this "inspection" has nothing to do with state emmissions testing, other than having a constant service engine light, your van will run just fine.
    Last edited by RIP; 08-15-2009 at 08:41 PM.
    ******** We took the time to answer your post. Please give us some time and post the fix. You'll help hundreds. ********

    **** Follow all prescribed safety procedures before attempting any repairs. If in doubt, refer to a maintenance manual. ****

    96 Gr Caravan LE 3.8, 206K miles
    07 Fusion / 06 RAV 4 / 06 Accord / 94 Camry

  4. #13
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    R.i.p

    Yes, I took it for its state Emission testing and it did not pass they said due to that particular code. I asked them if it was due to to the gas cap and they said no It was due to a leak that was very small. I even went back to auto zone and had them test it again and this time they said it was the same, an "emissions leak." So, as of now I'm driving it illegally because it's my only means of transportation.

  5. #14
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    but how do you fix the 1684 problem?

  6. #15
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    how is the problem of the 1684 code addressed?

  7. #16
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    Read post #2 in this thread.
    ******** We took the time to answer your post. Please give us some time and post the fix. You'll help hundreds. ********

    **** Follow all prescribed safety procedures before attempting any repairs. If in doubt, refer to a maintenance manual. ****

    96 Gr Caravan LE 3.8, 206K miles
    07 Fusion / 06 RAV 4 / 06 Accord / 94 Camry

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