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P0442 Code? S90-V90 1998

posted by  encorick on  Sat Sep 13 05:01 CST 2003
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I have a P0442 code on my '98 S90: it says it is EVAP emission control sytem, system leak (small)

Can anyone explain this in english?

I am only semi-mechanically inclined....

Thanks!!








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    P0442 Code? S90-V90 1998

    uid 11021's pic
    posted by  dewfpo on  Sun Sep 14 14:16 CST 2003
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    last visit: Thu Oct 23 18:34 CST 2014
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    Did you fill the car with gas while the engine was running?

    This will sometimes cause this code if the OBDII system happens to perform the evap check at that time.

    If this is the case. It will eventuially reset itself the next time it runs an evap test and all is well.

    DEWFPO
    --
    1998 S90 065,800 and 1995 964 149,450








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    P0442 Code? S90-V90 1998

    posted by  david hunter on  Sat Sep 13 12:19 CST 2003
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    The evap system draws gas vapors originating in the gas tank from the charcoal canister located somewhere at the front of the engine compartment (not sure exactly where). It burns the vapor by feeding into the throttle body. This happens shortly after you start the engine and is controlled by the computer. It has detected a small leak somewhere on the system. (It can also detect a large leak and throw a different code. All this to keep the greeny weinees happy.

    Check all the rubber hoses that may be connected to this system for leaks.
    --
    David Hunter







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