Question about 2003 Chrysler PT Cruiser

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Engine light on PO441, PO344 and PO440 were the codes that came up. 2003 PT cruiser

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P0440 and P0441 are refering to the NVLD pump. It is in the rear on the right side up near the fuel tank. P0344 is your cam position sensor on the rear (drivers side) of the cylinder head. The P0440 and 441 are probably why the check engine light is on and the 344 was stored from a previous event. Either way they are two different and unrelated problems. The NVLD (natural vacuum leak detection) pump is an emission item with no effect of the way it runs however it will keep the engine light on. The cam sensor will keep it from starting or intermittently run bad and not necessarily turn the light on. Both parts are easy to change. I hope this helps.

Posted on May 19, 2009

  • doctord1541 Aug 18, 2010

    How do we change it or repair it ?

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Po441 generic evap emission sys incorrect purge flow. how do I repair?

Posted on Nov 03, 2009

  • kennedyscadi
    kennedyscadi May 09, 2013

    first and easiest option is a new gas cap

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