Question about 1999 Chevrolet Malibu

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PO410, PO443, PO449 codes 1999 chevy malibu. what type of repair?

I know these codes are all evap related. don't want to get ripped off. what type($) of repairs am i looking at?

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  • noeliamarcan Jun 24, 2009

    thanks for info. yes, codes did all set at same time. however, no PO600-610 codes present. so, can it really be PCM? heard PCM replace expensive and probably remanufactured.

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The first code is for the secondary air injection system. It could be as simple as a fuse or broken wire. It could also be the air pump. The second is the purge solenoid control circuit. Again it could be a wire or the solenoid. The third is also a EVAP code related to the vent valve, and may also be the wiring or the valve. Did all these codes set at the same time? If so you may be looking at a PCM problem. It is really hard to venture a guess at the cost without lnowing more. I advise you to use a good shop that you trust. It will take some special equiptment to properly diagnose these issues. Good Luck

Posted on Jun 24, 2009

  • Mike White
    Mike White Jun 24, 2009

    It could be the PCM. The reman. PCM's should not be real high. I would see what the shop tells you is wrong first. Then before you give permission for the repair price the parts yourself from local parts stores. Understand most shops mark up the parts a little, but any more than 10% is too much. If it is the PCM it will have to be programed at a dealer and this usually costs a hour labor too. Good Luck

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