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Thread: air delivery system

  1. 11-19-2011, 10:04 PM #1
    gracezmom
    gracezmom is offline Low Range
    Join Date
    Mar 2011
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    12

    Default air delivery system

    how do I know if I have a secondary air system? looking to buy new engine and ask if with or with out? price difference.
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  2. 11-20-2011, 07:45 AM #2
    siiirhd88
    siiirhd88 is offline 3rd Gear
    Join Date
    Oct 2006
    Posts
    360

    Default

    A simple visual check shows the secondary air injection engines have tubing and valves on both cylinder heads that is missing from the non secondary air engines. You can see the difference in the photos from our two '02 DII engines.

    Bob
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